County Forecast for Big Stone City , SD
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281900-
Grant-
Including the city of Milbank
611 AM CDT Wed Oct 28 2026

Today   Cloudy. Patchy fog this morning. Rain likely with a slight chance of thunderstorms this afternoon. Not as cool with highs in the lower 60s. South winds 10 to 15 mph, becoming southwest this afternoon. Chance of rain 70 percent.
Tonight   Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 30s. West winds 5 to 10 mph.
Thursday   Mostly sunny. Highs in the mid 50s. West winds around 5 mph, becoming east in the afternoon.
Thursday night   Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. Southeast winds around 5 mph.
Friday   Partly sunny. Highs in the mid 50s. East winds 5 to 10 mph.
Friday night   Mostly cloudy. Lows in the upper 30s.
Saturday and saturday night   Mostly cloudy with a 20 percent chance of rain. Highs in the upper 50s. Lows in the upper 40s.
Sunday and sunday night   Mostly cloudy with a 20 percent chance of rain. Highs in the lower 60s. Lows in the upper 40s.
Monday   Cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the upper 50s. Chance of rain 60 percent.
Monday night and tuesday   Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. Highs in the mid 50s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Cold Front Moving Through Upper Midwest Wednesday
Posted at 12:00PM Tue Oct 27, 2026 CDT
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