Chicago's spring weather in mid-April typically falls within the 50–65°F range as temperatures gradually warm from winter conditions. This market narrows the outcome to a specific 56–57°F band, which represents a narrow slice of possible daily highs. The 1% current odds reflect trader skepticism that the day's high will land precisely in this range—most expect the temperature to either exceed 57°F or fall below 56°F. Daily temperature markets offer transparent resolution criteria: the National Weather Service reports an official daily high temperature for Chicago that is easily verifiable and unambiguous. These weather prediction markets appeal to meteorology enthusiasts and traders interested in testing their forecasting skills on granular atmospheric conditions. The low conviction at 1% odds suggests that similar narrow-band temperature outcomes have historically been rare, and traders are pricing in the inherent unpredictability of daily weather patterns. Participation in weather markets provides an alternative way to engage with meteorological data beyond traditional forecasting.