County Forecast for Big Stone City , SD
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081100-
Grant-
Including the city of Milbank
937 PM CST Sat Mar 7 2026

Tonight   Mostly cloudy this evening, then partly cloudy with a slight chance of rain after midnight. Breezy and not as cold with lows in the upper 30s. Southwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 20 percent.
Sunday   Partly sunny and breezy. Not as cool with highs in the lower 60s. West winds 15 to 25 mph with gusts up to 40 mph.
Sunday night   Partly cloudy in the evening, then clearing. Lows in the mid 30s. Southwest winds 10 to 15 mph, becoming northwest after midnight. Gusts up to 30 mph.
Monday   Partly sunny. Colder with highs in the upper 40s. North winds 10 to 15 mph.
Monday night   Mostly cloudy. A slight chance of snow after midnight. Lows in the upper 20s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 20 percent.
Tuesday   Mostly cloudy with a 20 percent chance of snow. Highs around 40.
Tuesday night   Mostly cloudy. A chance of snow, mainly in the evening. Lows in the mid 20s. Chance of snow 30 percent.
Wednesday   Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 30s.
Wednesday night   Partly cloudy. Lows in the mid 20s.
Thursday   Mostly cloudy. A slight chance of rain and snow in the afternoon. Breezy and not as cool with highs in the lower 50s. Chance of precipitation 20 percent.
Thursday night   Mostly cloudy. A chance of rain in the evening, then a slight chance of rain and snow after midnight. Breezy with lows in the upper 20s. Chance of precipitation 40 percent.
Friday   Mostly cloudy in the morning, then becoming partly sunny. Breezy, colder with highs in the upper 30s.
Friday night   Mostly cloudy. A slight chance of snow after midnight. Lows around 20. Chance of snow 20 percent.
Saturday   Mostly cloudy with a 30 percent chance of snow. Highs in the upper 30s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heavy Rain Pushing East This Week

Widespread precipitation as the system moves east over the weekend, including areas of severe weather and flooding. » More DTN Weather Commentary

Posted at 12:09PM Fri Mar 6, 2026 CST
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