County Forecast for Big Stone City , SD
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252200-
Grant-
Including the city of Milbank
907 AM CDT Tue Aug 25 2026

Rest of today   Mostly sunny. Highs in the lower 80s. West winds 15 to 20 mph with gusts up to 35 mph.
Tonight   Mostly clear. Lows in the lower 60s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Wednesday   Partly sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday night   Mostly clear. Lows in the mid 50s. Northwest winds 5 to 10 mph.
Thursday   Sunny. Highs in the upper 70s. North winds around 5 mph.
Thursday night   Mostly clear. Lows in the mid 50s.
Friday   Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
Friday night   Mostly cloudy. A chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 50 percent.
Saturday and saturday night   Partly cloudy. A 20 percent chance of thunderstorms. Highs in the lower 80s. Lows in the mid 60s.
Sunday   Partly sunny with a 20 percent chance of thunderstorms. Highs in the lower 80s.
Sunday night   Partly cloudy. A chance of thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30 percent.
Monday   Partly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Moving Through Central US Tuesday
Posted at 5:35AM Tue Aug 25, 2026 CDT
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