County Forecast for Big Stone City , SD
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281300-
Grant-
Including the city of Milbank
1221 AM CDT Mon Sep 28 2026

Rest of tonight   Mostly cloudy. Patchy fog. Near steady temperature in the mid 50s. Southeast winds around 5 mph.
Monday   Patchy fog in the morning. Mostly cloudy. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph.
Monday night   Cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
Tuesday   Patchy fog in the morning. Showers with a slight chance of thunderstorms in the morning, then showers likely in the afternoon. Highs in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
Tuesday night   Cloudy. A slight chance of showers in the evening. Lows in the upper 50s. South winds around 5 mph, becoming west after midnight. Chance of rain 20 percent.
Wednesday   Mostly cloudy with a 20 percent chance of showers. Highs in the lower 70s.
Wednesday night   Mostly cloudy. Lows in the lower 50s.
Thursday through friday night   Mostly clear. Highs in the lower 60s. Lows in the mid 40s.
Saturday   Partly sunny. Highs in the lower 60s.
Saturday night and sunday   Partly cloudy. Lows in the mid 40s. Highs in the upper 50s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Rain Continues for Central US This Weekend, More Coming Next Week
Posted at 12:12PM Fri Sep 25, 2026 CDT
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