Chicago experiences variable spring weather in mid-April, with typical daily highs ranging from 55-70°F depending on prevailing weather patterns, jet stream position, and atmospheric conditions. This prediction market asks whether the highest temperature recorded in Chicago on April 20, 2026 will fall within a very narrow 60-61°F band. The current 2% odds on YES reflect how unlikely this specific one-degree range is to materialize—the market is essentially pricing in the view that while mid-range temperatures are certainly possible, hitting this exact narrow window is relatively uncommon. Weather prediction markets resolve based on official data from the National Weather Service, making this a concrete, independently verifiable outcome. The market demonstrates active trading activity with $3,112 in liquidity, showing that traders are actively positioning across different temperature scenarios throughout the spring season. The narrow 60-61°F range suggests traders believe April 20 is significantly more likely to see temperatures warmer or cooler than this band, with collective odds heavily favoring outcomes outside this range. This assessment reflects both historical April weather patterns for Chicago and current seasonal forecasting models.