7-Day Zone Forecast for Grant County (Text-Only)
NWS Forecast for: Grant County
Issued by: National Weather Service Aberdeen, SD
Last Update: 207 PM CDT Mon Jun 29 2026




This Afternoon: Partly sunny. Hot with highs in the mid 90s. South winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 101.

Tonight: Mostly clear in the evening, then becoming partly cloudy. Less humid with lows in the mid 60s. Southwest winds 15 to 20 mph. Gusts up to 35 mph in the evening. Heat index values up to 103 early in the evening.

Tuesday: Mostly sunny. Not as warm with highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Tuesday Night: Mostly clear in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 20 percent.

Wednesday: Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.

Wednesday Night: Mostly clear. Lows in the mid 60s.

Thursday: Mostly sunny. A slight chance of thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of rain 20 percent.

Thursday Night: Showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent.

Friday: Partly sunny. A slight chance of thunderstorms in the afternoon. Hot with highs around 90. Chance of rain 20 percent.

Friday Night: A chance of thunderstorms. Showers likely. Lows in the upper 60s. Chance of rain 60 percent.

Independence Day: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.

Saturday Night: Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent.

Sunday: Partly sunny. A slight chance of showers in the morning, then a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.







Zone Forecast: Grant County

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