Lowest temperature in Chicago on Oct 18, 2026?

Kalshi

The event resolves based on the minimum temperature recorded in Chicago (CLIMDW) on October 18, 2026, as reported by The Weather Company. Each market corresponds to a specific temperature range: 34° or below, 35-36°, 37-38°, 39-40°, 41-42°, or 43° and above. The official temperature value comes exclusively from The Weather Company, and preliminary data may be subject to rounding or conversion differences. If a material error is identified in the initial publication, the exchange may delay resolution until a corrected value is released or until the expiration date. If no data is available by the expiration date, markets resolve to the last fair price determined by the exchange. The 'Final' status on The Weather Company's platform is informational and does not guarantee data accuracy or exempt markets from potential revisions.