POET Biorefining - Big Stone

	County Forecast for Big Stone City , SD

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282100-
Grant-
Including the city of Milbank
806 AM CDT Fri Aug 28 2026

Today   Partly sunny. Highs in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Tonight   Partly cloudy with a slight chance of thunderstorms in the evening, then mostly cloudy with thunderstorms likely after midnight. Not as cool. Humid with lows in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Saturday   Mostly cloudy with a chance of thunderstorms in the morning, then partly sunny in the afternoon. Humid with highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
Saturday night   Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. East winds around 5 mph. Chance of rain 50 percent.
Sunday   Partly sunny. Humid with highs in the mid 80s. East winds 5 to 10 mph.
Sunday night   Partly cloudy in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent.
Monday through tuesday   Partly cloudy. Highs in the lower 80s. Lows around 60.
Tuesday night   Partly cloudy in the evening, then becoming mostly cloudy. A 20 percent chance of thunderstorms. Lows in the lower 60s.
Wednesday   Partly sunny. Highs in the mid 80s.
Wednesday night   Mostly clear with a slight chance of thunderstorms in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent.
Thursday   Partly sunny with a 20 percent chance of showers. Highs in the mid 80s.

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Bryce Anderson – DTN Meteorologist

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System Moving Through Northern Plains, Canadian Prairies Friday

Showers, storms for southern, eastern U.S. Widespread showers for Northern Plains, Canadian Prairies. » More DTN Weather Commentary

Posted at 5:31AM Fri Aug 28, 2026 CDT

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