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Will the maximum temperature be 55-56° on Apr 10, 2026?
The Setup
This market asks if today's official high temperature at Minneapolis-St. Paul International Airport will land exactly in the 55-56 degree window. With the National Weather Service forecasting exactly 56 degrees, the market is pricing in a near coin-flip. Traders must weigh a perfect forecast alignment against the high historical variance of narrow 2-degree temperature bins.
Despite the NWS forecasting exactly 56 degrees, standard 1-day forecast variance means a 2-degree bin misses over 60 percent of the time.
Market
53c
Our Estimate
55-70c
Edge
+10c
Bull Case
The primary argument for a NO resolution is the mathematical difficulty of hitting a narrow 2-degree bin. Even on the day of the event, the National Weather Service's average absolute error for high temperatures is roughly 1.5 to 2.5 degrees. This means that even if 55.5 degrees is the perfectly calibrated mean expectation, the actual temperature will fall outside the 55-56 degree range more than half the time due to standard forecast variance.
Furthermore, today's forecast calls for sunny skies and dry conditions. Full solar insolation in early April often leads to slight overperformance in high temperatures as the sun angle rapidly increases. A realized high of 57 or 58 degrees is highly plausible, especially given that local media outlets like FOX 9 and CBS Minnesota are forecasting highs in the upper 50s.
Finally, outlier models suggest a miss on the cold side is also possible. Google's proprietary weather aggregation predicts a high of only 53 degrees. If a light northerly breeze brings slightly cooler air advection than anticipated, or if high-level cirrus clouds filter the afternoon sunlight, the temperature could easily stall at 53 or 54 degrees, resulting in a NO.
Bear Case
The strongest argument against our NO recommendation is the exact alignment of multiple forecasting models on the 55-56 degree target. The official National Weather Service point forecast for the Minneapolis-St. Paul International Airport explicitly predicts a high of 56 degrees for today. AccuWeather's specific forecast for the airport also calls for exactly 56 degrees. When multiple independent models converge on the exact same number, forecast variance typically decreases.
Additionally, the atmospheric setup for today is exceptionally stable. The region is under high pressure with clear skies and light west-northwest winds around 5 mph. This minimizes complex weather variables like unpredictable cloud cover, precipitation, or strong frontal passages that typically disrupt the standard diurnal heating curve.
In such a quiet weather pattern, solar radiation is the primary driver of heating, which is highly predictable. The climb from a morning low near freezing to a high of 55-56 degrees follows a standard and reliable diurnal curve for mid-April, making a direct hit on the forecasted bin more likely than in a volatile weather regime.
What Could Go Wrong
IF the high-pressure system provides perfectly modeled subsidence and clear skies without any micro-scale wind variations, THEN the lack of vertical mixing will allow the temperature to hit the NWS forecast of 56 degrees exactly.
IF the sunny skies provide exactly the expected amount of diurnal heating to overcome the cool morning start but are capped by a light northerly breeze exactly at 56 degrees, THEN the market will resolve YES.
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