7-Day Zone Forecast for Day County (Text-Only)
NWS Forecast for: Day County
Issued by: National Weather Service Aberdeen, SD
Last Update: 816 AM CDT Sun Jul 26 2026




Today: Partly sunny. Hot with highs in the mid 90s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 101 this afternoon.

Tonight: Partly cloudy. Humid with lows in the lower 70s. South winds 5 to 10 mph, becoming west after midnight. Heat index values up to 100 early in the evening.

Monday: Partly sunny. Hot with highs in the lower 90s. North winds 5 to 10 mph with gusts up to 20 mph.

Monday Night: Partly cloudy. Lows around 70. Northeast winds 5 to 10 mph, becoming east after midnight.

Tuesday: Partly sunny. Hot with highs in the lower 90s. Southeast winds 5 to 10 mph.

Tuesday Night And Wednesday: Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A chance of showers after midnight. Lows in the lower 70s. Chance of rain 40 percent.

Thursday: Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.

Thursday Night: A chance of showers in the evening. Partly cloudy with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.

Friday: Mostly sunny. A slight chance of thunderstorms in the morning. Highs in the mid 80s. Chance of rain 20 percent.

Friday Night And Saturday: Mostly clear. Lows in the mid 60s. Highs in the mid 80s.







Zone Forecast: Day County

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