7-Day Zone Forecast for Dewey County (Text-Only)
NWS Forecast for: Dewey County
Issued by: National Weather Service Aberdeen, SD
Last Update: 358 PM MDT Fri Oct 3 2025


Tonight: Mostly clear this evening, then becoming partly cloudy. Breezy with lows in the upper 50s. South winds 15 to 25 mph with gusts up to 35 mph.

Saturday: Partly sunny. Not as warm with highs in the mid 70s. East winds 10 to 15 mph, becoming north in the afternoon.

Saturday Night: A slight chance of thunderstorms. Showers. Lows around 50. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Sunday: Showers likely in the morning, then partly sunny in the afternoon. Breezy and much cooler with highs in the upper 50s. Northwest winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent.

Sunday Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the upper 30s. Northwest winds 10 to 15 mph.

Monday: Partly sunny. Highs in the upper 50s.

Monday Night: Partly cloudy in the evening, then clearing. Lows around 40.

Tuesday And Tuesday Night: Clear. Highs in the lower 60s. Lows in the lower 40s.

Wednesday: Mostly sunny. Highs in the upper 60s.

Wednesday Night Through Thursday Night: Partly cloudy. Lows in the upper 40s. Highs in the upper 60s.

Friday: Mostly sunny. Highs in the mid 60s.







Zone Forecast: Dewey County

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