POET Biorefining - Big Stone

	County Forecast for Big Stone City , SD

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041400-
Grant-
Including the city of Milbank
132 AM CDT Tue Aug 4 2026

Rest of tonight   Mostly cloudy. Patchy smoke. Cooler with lows in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday   Partly sunny. Not as warm with highs in the lower 70s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Tuesday night   Mostly clear. Lows in the lower 50s. West winds around 5 mph, becoming southwest after midnight.
Wednesday   Mostly sunny. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday night   Partly cloudy in the evening, then clearing. Lows in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Thursday through friday night   Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Saturday   Partly sunny. Highs in the lower 80s.
Saturday night   Mostly clear with a 20 percent chance of thunderstorms. Lows in the lower 60s.
Sunday   Partly sunny. Highs around 80.
Sunday night   Partly cloudy in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent.
Monday   Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20 percent.

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Bryce Anderson – DTN Meteorologist

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Strong Storms Target the Eastern Dakotas and Northwest Minnesota Tonight

Strong to severe storms possible Monday evening across the eastern Dakotas, with hail and wind risks. » More DTN Weather Commentary

Posted at 12:40PM Mon Aug 3, 2026 CDT

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