| NWS Forecast for: Dewey County Issued by: National Weather Service Aberdeen, SD Last Update: 316 AM MDT Sun Oct 11 2026 | |
| Today: Cloudy. A chance of sprinkles this morning. Breezy and much cooler with highs in the lower 60s. North winds 15 to 25 mph. Gusts up to 40 mph this morning. Tonight: Cloudy. A chance of showers after midnight. Lows in the mid 40s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent. Columbus Day: Cloudy. A chance of showers in the morning, then a chance of sprinkles in the afternoon. Highs in the upper 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Monday Night: Mostly cloudy. Lows around 40. Northwest winds 10 to 15 mph with gusts up to 25 mph. Tuesday: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 50s. North winds 5 to 10 mph. Chance of rain 20 percent. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 40. Wednesday: Partly sunny. A slight chance of showers in the afternoon. Highs around 60. Chance of rain 20 percent. Wednesday Night And Thursday: Mostly cloudy with a 50 percent chance of showers. Breezy. Lows in the lower 40s. Highs in the upper 50s. Thursday Night: Partly cloudy. A slight chance of showers in the evening. Breezy with lows in the upper 30s. Chance of rain 20 percent. Friday: Partly sunny. Highs in the mid 50s. Friday Night: Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Saturday: Mostly sunny. Highs in the lower 60s. | |
| Zone Forecast: Dewey County | |
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