County Forecast for Big Stone City , SD
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181200-
Grant-
Including the city of Milbank
1143 PM CDT Wed Sep 17 2025

Rest of tonight   Showers likely with a chance of thunderstorms. Patchy fog. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
Thursday   Patchy fog in the morning. Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the lower 70s. East winds 5 to 10 mph with gusts up to 20 mph.
Thursday 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 upper 50s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.
Friday   Mostly cloudy with a chance of showers in the morning, then partly sunny with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Friday night   Partly cloudy. A slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 50s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
Saturday   Partly sunny with a 20 percent chance of showers. Highs in the lower 70s.
Saturday night and sunday   Partly cloudy. A 20 percent chance of showers. Lows in the mid 50s. Highs in the upper 70s.
Sunday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Monday   Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.
Monday night and tuesday   Partly cloudy. Lows in the lower 50s. Highs in the lower 70s.
Tuesday night and wednesday   Mostly clear. Lows in the lower 50s. Highs in the lower 70s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Yet More Rain for Central US Thursday
Posted at 12:06PM Wed Sep 17, 2025 CDT
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