County Forecast for Big Stone City , SD
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020800-
Grant-
Including the city of Milbank
736 PM CDT Wed Jul 1 2026

Tonight   Mostly clear. Lows in the mid 60s. Southwest winds around 5 mph.
Thursday   Partly sunny. Hot with highs in the lower 90s. South winds 5 to 10 mph with gusts up to 20 mph.
Thursday night   Becoming mostly cloudy after midnight. Showers likely in the evening. A chance of thunderstorms. Humid with lows in the mid 60s. Southeast winds around 10 mph with gusts up to 20 mph, becoming south after midnight. Chance of rain 70 percent.
Friday   Partly sunny. A chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
Friday night   Showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.
Independence day   Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.
Saturday night   Partly cloudy. A chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40 percent.
Sunday   Partly sunny. Highs in the upper 80s.
Sunday night   Mostly clear. Lows in the upper 60s.
Monday   Partly sunny. Hot with highs around 90.
Monday night   Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
Tuesday   Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
Tuesday night   Partly 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 60s. Chance of rain 30 percent.
Wednesday   Partly sunny. A slight chance of showers in the morning, then a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Heat, More Storms for Thursday
Posted at 11:58AM Wed Jul 1, 2026 CDT
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