Box Elder, SD is at its warmest in Jul (average highs near 85°F) and coldest in Jan (lows around 18°F), with roughly 17 in of precipitation across the year. Below, compare what NWS, American, European forecast for Box Elder right now, and see exactly where they disagree.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.