| NWS Forecast for: Gregory County Issued by: National Weather Service Sioux Falls, SD Last Update: 339 PM CDT Wed Mar 11 2026 |  |
Tonight: Mostly clear this evening, then becoming partly cloudy. Lows in the mid 20s. West winds 15 to 20 mph, becoming southwest after midnight. Thursday: Partly sunny and windy. Much warmer with highs in the upper 60s. Southwest winds 15 to 25 mph with gusts up to 40 mph, increasing to west 25 to 35 mph with gusts up to 60 mph in the afternoon. Thursday Night: Mostly cloudy and very windy. Lows in the upper 20s. Northwest winds 30 to 40 mph with gusts up to 60 mph. Friday: Mostly cloudy with a 20 percent chance of snow. Much cooler with highs in the lower 40s. Northwest winds 15 to 20 mph. Gusts up to 40 mph in the morning. Friday Night: Cloudy. A chance of snow in the evening, then snow likely after midnight. Little or no snow accumulation. Lows in the upper 20s. East winds around 10 mph. Chance of snow 60 percent. Saturday: Cloudy with a slight chance of snow. A chance of rain in the afternoon. Highs in the mid 40s. Chance of precipitation 50 percent. Saturday Night: Rain and snow. Little or no snow accumulation. Windy, cooler with lows 15 to 20. Chance of precipitation 90 percent. Sunday: Snow likely, mainly in the morning. Very windy and much cooler with highs in the upper 20s. Chance of snow 60 percent. Sunday Night: Partly cloudy and windy, colder with lows around 5 above. Wind chill values as low as 10 below after midnight. Monday: Partly sunny. Highs around 30. Wind chill values as low as 10 below in the morning. Monday Night: Mostly cloudy. A slight chance of snow after midnight. Not as cool with lows around 15. Temperature rising to around 20 after midnight. Chance of snow 20 percent. Tuesday: Mostly cloudy with a slight chance of snow and rain. Not as cool with highs in the upper 40s. Chance of precipitation 20 percent. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Not as cool with lows in the lower 30s. Wednesday: Mostly sunny. Much warmer with highs in the mid 60s. | |
| Zone Forecast: Gregory County | |
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