County Forecast for Big Stone City , SD
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140000-
Grant-
Including the city of Milbank
1138 AM CDT Wed May 13 2026

This afternoon   Sunny. Highs in the mid 70s. West winds around 5 mph. Gusts up to 20 mph.
Tonight   Mostly clear in the evening, then becoming partly cloudy. Patchy blowing dust after midnight. Breezy with lows around 50. Southeast winds 10 to 15 mph, increasing to 20 to 25 mph with gusts up to 40 mph after midnight.
Thursday   Partly sunny with a 20 percent chance of showers. Patchy blowing dust. Windy with highs in the upper 70s. South winds 20 to 30 mph with gusts up to 45 mph.
Thursday night   Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the upper 40s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.
Friday   Mostly sunny. Patchy blowing dust in the afternoon. Breezy with highs in the upper 70s. West winds 20 to 25 mph with gusts up to 40 mph.
Friday night   Mostly clear. Lows in the mid 40s.
Saturday   Partly sunny. Highs in the mid 70s.
Saturday night   Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A chance of showers after midnight. Lows in the upper 40s. Chance of rain 40 percent.
Sunday and sunday night   Showers likely with a chance of thunderstorms. Highs in the lower 70s. Lows in the upper 40s. Chance of rain 70 percent.
Monday   Cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 60s.
Monday night   Mostly cloudy. A chance of showers in the evening. Lows in the lower 40s. Chance of rain 40 percent.
Tuesday   Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
System Moving Into Canadian Prairies, Northern Plains Wednesday
Posted at 5:34AM Wed May 13, 2026 CDT
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