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Climate and Weather OPEN

Highest temperature in Chicago on Mar 11, 2026?

📊 $455K traded 🏦 Source: Kalshi
Total Volume
$455K
Open Interest
237,016
Active Markets
6
Markets
6

Trade This Market

Yes Bid
Yes Ask
Last Price
Prev Close
Buy YES → Buy NO

Prices in cents (1¢ = 1%). Trade on Kalshi.

All Outcomes (6)
Outcome Probability Yes Bid Yes Ask 24h Change Volume
45° or below 98%
97¢ 98¢ $207K Trade →
46° to 47° 3%
$132K Trade →
54° or above 1%
$61K Trade →
48° to 49° 1%
$28K Trade →
50° to 51° 1%
$16K Trade →
52° to 53° 1%
$11K Trade →

About This Market

This market asks which temperature bin will be the highest recorded in Chicago on March 11, 2026. It matters because short-term temperature outcomes reflect both predictable seasonal patterns and rapid changes in weather, and they are settled to an official observational record.

Chicago temperatures in early March are highly variable: the city can still experience winterlike air masses or early spring warmth depending on the position of the jet stream and surface fronts. Prediction markets like this combine many traders' expectations and respond quickly to updated forecasts, model runs, and observations leading up to the date.

Market odds indicate the crowd’s evolving expectation for which outcome will be realized; treat them as a summary of current information rather than a fixed truth. Use them alongside official meteorological forecasts and the contract’s settlement rules when forming a view.

Key Factors

Frequently Asked Questions

When does trading close for this market and what exact time window defines 'on Mar 11, 2026'?

The market close time is listed on the trading platform (currently marked TBD); the contract will also specify the measurement window—typically the local Chicago calendar day (00:00–23:59 local time) for the designated observing station. Check the platform’s contract page for the precise close and settlement window.

Which observing station and official data source will be used to determine the highest temperature in Chicago on Mar 11, 2026?

The contract text names the official data source and station(s) used for settlement; common sources are NWS/NOAA surface observations (METAR/synoptic) for Chicago-area stations such as O'Hare or Midway, but you must confirm the specific station and dataset listed in this market’s terms.

How are the market’s six outcomes defined and how will I know which one pays out?

Each outcome corresponds to a temperature range or exact value as printed on the market page; the outcome that matches the final official highest temperature—after any contract-specified rounding or truncation—will pay out. Read the outcome labels and the settlement rules in the contract to see inclusion/exclusion at range boundaries.

What happens if the designated station fails to report, or the official record is revised or delayed?

Settlement procedures for missing, delayed, or revised data are set in the market’s contract and typically include specified fallback sources (e.g., nearby official stations or final archived datasets). Refer to the contract’s contingency and revision clauses for the exact hierarchy and timing of any delayed settlement.

How should I place this event in historical context — are March 11 temperatures in Chicago usually close to freezing or widely variable?

Early March in Chicago is a transitional period with substantial year-to-year variability: some years remain near winter norms while others see early warming. For context, consult long-term climate normals and recent March 11 observations from NOAA or local climate records to understand the typical range and recent trends prior to this market’s date.

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