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Grant County, SD Weather Forecast
Grant County, SD Weather Forecast Date: 721 AM CDT Sun Oct 04 2026
The area/counties/county of: Grant, including the city of Milbank.or toggle through each period.
Today... Sunny. Highs in the upper 60s. Northwest winds 5 to 10 mph.
Tonight... Mostly clear. Lows in the mid 40s. Northwest winds around 5 mph, becoming southwest after midnight.
Monday... Partly sunny. Highs in the lower 70s. South winds 15 to 20 mph. Gusts up to 35 mph in the afternoon.
Monday Night... Mostly clear. Not as cool with lows in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph.
Tuesday... Mostly sunny. Highs in the mid 70s. West winds 10 to 15 mph, becoming northwest in the afternoon.
Tuesday Night... Mostly clear. Lows in the lower 50s. Highs around 70.
Wednesday... Mostly clear. Lows in the lower 50s. Highs around 70.
Wednesday Night... Partly cloudy. Lows around 50. Highs in the upper 60s.
Thursday... Partly cloudy. Lows around 50. Highs in the upper 60s.
Friday... Partly cloudy. Lows around 50. Highs in the upper 60s.
Friday Night... Partly cloudy and breezy. Lows in the mid 50s. Highs in the mid 70s.
POP = Probability of Precipitation
Grant County Radar Loop
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