Market snapshot: Oct 18, 2026, 12:00 AM UTC. Prices may have changed since this snapshot.

GroupKALSHI

Event GroupKALSHIClimate and Weather

Where will it rain on Oct 18, 2026?

Reported volume

K 84.7K contracts

Events

Markets

Trade on Kalshi

Where will it rain on Oct 18, 2026?

Vol

K 84.7K contracts

Events

Markets

Kalshi

Provider overview

polymarket

Reported lifetime volume

kalshi

84.7K contracts

Reported lifetime volume

Reviewed equivalent pairs

No eligible price comparison

Saved prices are comparisons, not executable quotes. A price difference does not establish arbitrage. Check both contracts, live order prices, fees and available size.

Price ChartContract price history

35 markets tracked

Historical observations can differ from current quotes. Kalshi points are hourly trade averages.

Saved prices are comparisons, not executable quotes. A price difference does not establish arbitrage. Check both contracts, live order prices, fees and available size.

Will it rain in Miami on Oct 18, 2026?

No data available

Single-Platform Markets(35)

Market	Platform	Price
Will it rain in Miami on Oct 18, 2026?	Kalshi	92.5%
Will it rain in West Palm Beach on Oct 18, 2026?	Kalshi	86.5%
Will it rain in Phoenix on Oct 18, 2026?	Kalshi	46.5%
Will it rain in Las Vegas on Oct 18, 2026?	Kalshi	8.0%
Will it rain in Tampa on Oct 18, 2026?	Kalshi	6.5%
Will it rain in Albuquerque on Oct 18, 2026?	Kalshi	4.0%
Will it rain in Seattle on Oct 18, 2026?	Kalshi	3.5%
Will it rain in San Francisco on Oct 18, 2026?	Kalshi	1.5%
Will it rain in Trenton on Oct 18, 2026?	Kalshi	0.5%
Will it rain in St. Louis on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Springfield on Oct 18, 2026?	Kalshi	0.5%
Will it rain in San Antonio on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Providence on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Pittsburgh on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Philadelphia on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Oklahoma City on Oct 18, 2026?	Kalshi	0.5%
Will it rain in New York City on Oct 18, 2026?	Kalshi	0.5%
Will it rain in New Orleans on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Milwaukee on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Minneapolis on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Lexington on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Los Angeles on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Indianapolis on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Houston on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Newark on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Detroit on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Denver on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Washington DC on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Dallas on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Columbus on Oct 18, 2026?	Kalshi	0.5%
Will it rain in College Station on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Chicago on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Boston on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Austin on Oct 18, 2026?	Kalshi	0.5%
Will it rain in Atlanta on Oct 18, 2026?	Kalshi	0.5%

Rules & Resolution

Saved matching review

Needs review: no direct pair assessment is available.

A saved event match does not establish identical settlement. Pair reviews appear with each price comparison.

AI Analysis

Trader mode: Market mechanics, assumptions and risks

K 84.7K contracts

Reported volume · provider units

Saved contracts

Reviewed equivalent pairs

Source snapshot: Oct 18, 2026, 12:00 AM UTC

About This Event

On Oct 18, 2026 If the total precipitation X 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company. Reading weather data X can be found at https://weather.com/kalshi. “Trace” amounts, T, and missing daily precipitation values are counted as 0 inches. This market will close and expire early if the event occurs.

AI-generated analysis based on market data. Not financial advice.

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Event: Where will it rain on Oct 18, 2026?
Source snapshot: Oct 18, 2026, 12:00 AM UTC
Reported event volume (provider units): K 84.7K contracts
Coverage: 35 of 35 saved contracts included.
Prices are saved observations, not executable quotes. Listed close dates do not promise settlement or payout time.

Contract: Will it rain in West Palm Beach on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-WPB; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 2.6K contracts
Outcome Yes: 86.5%; 24h change unavailable
Outcome No: 13.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIDJT in West Palm Beach in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIDJT can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Trenton on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-TTN; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 2.3K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLITTN in Trenton in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLITTN can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Tampa on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-TPA; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 4.8K contracts
Outcome Yes: 6.5%; 24h change unavailable
Outcome No: 93.5%; 24h change unavailable
Saved rules: If the total precipitation at CLITPA in Tampa in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLITPA can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in St. Louis on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-STL; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 2.5K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLISTL in St. Louis in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLISTL can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Springfield on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-SGF; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 1.8K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLISGF in Springfield in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLISGF can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in San Francisco on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-SFO; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 8:00 AM UTC
Reported volume: 2.9K contracts
Outcome Yes: 1.5%; 24h change unavailable
Outcome No: 98.5%; 24h change unavailable
Saved rules: If the total precipitation at CLISFO in San Francisco in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLISFO can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Seattle on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-SEA; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 8:00 AM UTC
Reported volume: 4.4K contracts
Outcome Yes: 3.5%; 24h change unavailable
Outcome No: 96.5%; 24h change unavailable
Saved rules: If the total precipitation at CLISEA in Seattle in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLISEA can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in San Antonio on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-SATX; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 156.21 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLISAT in San Antonio in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLISAT can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Providence on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-PVD; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 2.3K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIPVD in Providence in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIPVD can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Pittsburgh on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-PIT; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 2.1K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIPIT in Pittsburgh in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIPIT can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Phoenix on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-PHX; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 7:00 AM UTC
Reported volume: 8.3K contracts
Outcome Yes: 46.5%; 24h change unavailable
Outcome No: 53.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIPHX in Phoenix in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIPHX can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Philadelphia on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-PHIL; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 2.2K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIPHL in Philadelphia in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIPHL can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Oklahoma City on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-OKC; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 2.3K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIOKC in Oklahoma City in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIOKC can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in New York City on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-NYC; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 2.5K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLINYC in New York City in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLINYC can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in New Orleans on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-NOLA; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 2.1K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIMSY in New Orleans in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIMSY can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Milwaukee on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-MKE; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 1.6K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIMKE in Milwaukee in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIMKE can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Minneapolis on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-MIN; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 1.8K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIMSP in Minneapolis in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIMSP can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Miami on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-MIA; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 2.8K contracts
Outcome Yes: 92.5%; 24h change unavailable
Outcome No: 7.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIMIA in Miami in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIMIA can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Las Vegas on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-LV; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 8:00 AM UTC
Reported volume: 3.1K contracts
Outcome Yes: 8.0%; 24h change unavailable
Outcome No: 92.0%; 24h change unavailable
Saved rules: If the total precipitation at CLILAS in Las Vegas in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLILAS can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Lexington on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-LEX; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 551.68 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLILEX in Lexington in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLILEX can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Los Angeles on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-LAX; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 8:00 AM UTC
Reported volume: 2.2K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLILAX in Los Angeles in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLILAX can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Indianapolis on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-IND; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 1.8K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIIND in Indianapolis in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIIND can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Houston on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-HOU; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 814.11 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIHOU in Houston in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIHOU can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Newark on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-EWR; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 1.7K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIEWR in Newark in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIEWR can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Detroit on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-DTW; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 1.8K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIDTW in Detroit in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIDTW can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Denver on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-DEN; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 7:00 AM UTC
Reported volume: 416.75 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIDEN in Denver in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIDEN can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Washington DC on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-DC; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 3.3K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIDCA in Washington DC in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIDCA can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Dallas on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-DAL; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 611.32 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIDFW in Dallas in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIDFW can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Columbus on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-CMH; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 2.9K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLICMH in Columbus in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLICMH can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in College Station on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-CLL; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 224.72 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLICLL in College Station in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLICLL can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Chicago on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-CHI; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 413.62 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIORD in Chicago in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIORD can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Boston on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-BOS; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 4.8K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIBOS in Boston in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIBOS can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Austin on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-AUS; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 6:00 AM UTC
Reported volume: 452.64 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIAUS in Austin in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIAUS can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Atlanta on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-ATL; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 5:00 AM UTC
Reported volume: 3.6K contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the total precipitation at CLIATL in Atlanta in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIATL can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Contract: Will it rain in Albuquerque on Oct 18, 2026?
Provider: kalshi; ID: kalshi-KXRAIN-26OCT18-ABQ; status: active
Source: https://kalshi.com/markets/kxrain-26oct18
Observed: Oct 18, 2026, 12:00 AM UTC
Listed close: Oct 20, 2026, 7:00 AM UTC
Reported volume: 6.4K contracts
Outcome Yes: 4.0%; 24h change unavailable
Outcome No: 96.0%; 24h change unavailable
Saved rules: If the total precipitation at CLIABQ in Albuquerque in Oct 18, 2026 is strictly greater than 0 inches, then the market resolves to Yes. Secondary rules: Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market as reported by the Weather Company.

Reading weather data
Data for CLIABQ can be found at https://weather.com/kalshi.
“Trace” amounts (T) and missing daily precipitation values are counted as 0 inches.  Early close condition: This market will close and expire early if the event occurs.

Saved cross-platform review:
No exact pair with two valid binary Yes prices is available for comparison.

Explain the named outcomes, material rule/deadline differences, and evidence limits. Keep Polymarket dollar volume separate from Kalshi contract counts. Do not average unrelated contracts, infer missing prices or changes, or describe unreviewed/related pairs as equivalent. Distinguish listed prices from executable bid/ask prices, fees and available size. Do not invent current news, confidence scores or settlement guarantees. Cite the provided source links and identify what further evidence would be needed.

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AI-written background. References identify the evidence used; Wikipedia links under Learn More are additional reading. Prices and provider rules are dated snapshots. This is not financial advice.

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