County Forecast for Big Stone City , SD
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161700-
Grant-
Including the city of Milbank
421 AM CDT Fri Oct 16 2026

Today   Partly sunny and windy. Highs in the upper 40s. North winds 20 to 30 mph with gusts up to 45 mph, diminishing to 10 to 15 mph with gusts up to 30 mph this afternoon.
Tonight   Clear. Areas of frost. Lows in the mid 30s. West winds 5 to 10 mph, increasing to southwest 15 to 20 mph with gusts up to 35 mph after midnight.
Saturday   Sunny, windy and not as cool with highs around 60. Southwest winds 20 to 30 mph with gusts up to 45 mph.
Saturday night   Mostly clear and breezy. Not as cool with lows in the mid 40s. Southwest winds 15 to 25 mph with gusts up to 40 mph.
Sunday   Mostly sunny. Highs in the upper 60s. Southwest winds 15 to 20 mph with gusts up to 35 mph, diminishing to 5 to 10 mph with gusts up to 25 mph in the afternoon.
Sunday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s.
Monday and monday night   Mostly clear. Highs in the lower 60s. Lows in the lower 40s.
Tuesday and tuesday night   Mostly clear. Highs in the upper 60s. Lows in the lower 50s.
Wednesday and wednesday night   Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.
Thursday   Partly sunny. A slight chance of showers in the afternoon. Highs around 70. 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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