County Forecast for Big Stone City , SD
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191700-
Grant-
Including the city of Milbank
422 AM CDT Mon Oct 19 2026

Today   Mostly sunny. Highs in the lower 60s. Northeast winds 5 to 10 mph, becoming east this afternoon.
Tonight   Mostly clear. Lows in the lower 40s. Southeast winds 5 to 10 mph.
Tuesday   Sunny. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph.
Tuesday night   Mostly clear. Lows in the upper 40s. South winds 5 to 10 mph with gusts up to 20 mph.
Wednesday   Mostly sunny. Highs around 70. Southwest winds around 5 mph, becoming northeast in the afternoon.
Wednesday night and thursday   Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
Thursday night   Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent.
Friday and friday night   Mostly cloudy. A 20 percent chance of showers. Breezy. Highs in the lower 70s. Lows in the mid 50s.
Saturday   Partly sunny with a 40 percent chance of showers. Highs in the mid 60s.
Saturday night   Partly cloudy. A chance of showers, mainly in the evening. Cooler with lows in the mid 40s. Chance of rain 30 percent.
Sunday   Partly sunny. A slight chance of showers in the morning. Highs in the upper 50s. Chance of rain 20 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Slipping Southeast Friday
Posted at 5:34AM Fri Oct 2, 2026 CDT
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