| NWS Forecast for: Dewey County Issued by: National Weather Service Aberdeen, SD Last Update: 737 PM MST Sat Mar 7 2026 | |
Tonight: Mostly cloudy this evening, then becoming partly cloudy. Not as cold with lows in the upper 30s. West winds 15 to 20 mph. Sunday: Mostly sunny and breezy, warmer with highs in the upper 60s. West winds 15 to 25 mph with gusts up to 40 mph. Sunday Night: Partly cloudy in the evening, then becoming mostly clear. Lows around 30. West winds 10 to 15 mph, becoming north after midnight. Gusts up to 30 mph. Monday: Partly sunny. Much colder with highs in the upper 40s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Monday Night: Mostly cloudy. A chance of snow, mainly in the evening. Little or no snow accumulation. Lows in the upper 20s. Northeast winds 15 to 20 mph. Chance of snow 50 percent. Tuesday: Mostly cloudy with a 40 percent chance of snow. Colder with highs in the upper 30s. Tuesday Night: Mostly cloudy with a slight chance of snow in the evening, then partly cloudy after midnight. Lows in the lower 20s. Chance of snow 20 percent. Wednesday: Partly sunny. Highs in the mid 40s. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 20s. Thursday: Mostly cloudy. A slight chance of rain in the afternoon. Breezy and not as cool with highs in the lower 60s. Chance of rain 20 percent. Thursday Night: Mostly cloudy. A slight chance of rain in the evening, then a slight chance of snow after midnight. Breezy with lows in the mid 20s. Chance of precipitation 20 percent. Friday: Mostly cloudy with a 20 percent chance of snow. Breezy and much colder with highs in the lower 40s. Friday Night And Saturday: Mostly cloudy with a 40 percent chance of snow. Lows around 20. Highs in the mid 40s. | |
| Zone Forecast: Dewey County | |
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