County Forecast for Big Stone City , SD
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100100-
Grant-
Including the city of Milbank
1221 PM CDT Wed Sep 9 2026

This afternoon   Sunny. Not as warm with highs in the mid 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight   Mostly clear. Lows in the lower 50s. West winds 5 to 10 mph with gusts up to 20 mph, becoming southwest after midnight.
Thursday   Sunny. Highs in the lower 80s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.
Thursday night   Mostly clear and breezy. Not as cool with lows in the mid 60s. South winds 15 to 25 mph with gusts up to 35 mph.
Friday   Mostly sunny. A slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 80s. South winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.
Friday night   Partly cloudy. A slight chance of thunderstorms in the evening. Cooler with lows in the mid 50s. Chance of rain 20 percent.
Saturday   Partly sunny. Not as warm with highs in the lower 70s.
Saturday night   Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 20 percent.
Sunday   A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the lower 60s. Chance of rain 60 percent.
Sunday night   Mostly cloudy. A chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 90 percent.
Monday   Cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Chance of rain 50 percent.
Monday night and tuesday   Partly cloudy. Lows in the upper 40s. Highs in the upper 60s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Slipping to Southern Corn Belt Thursday
Posted at 12:11PM Wed Sep 9, 2026 CDT
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