POET Biorefining - Big Stone

	County Forecast for Big Stone City , SD

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170100-
Grant-
Including the city of Milbank
1137 AM CST Mon Feb 16 2026

This afternoon   Mostly sunny. Highs in the lower 50s. East winds 5 to 10 mph.
Tonight   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Tuesday   Mostly cloudy. A chance of rain in the afternoon. Breezy with highs around 50. East winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent.
Tuesday night   Mostly cloudy. Rain likely, mainly in the evening. Breezy with lows in the mid 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph, increasing to southwest 20 to 25 mph with gusts up to 35 mph after midnight. Chance of rain 70 percent.
Wednesday   A chance of rain in the morning. Partly sunny with a chance of snow. Little or no snow accumulation. Windy. Near steady temperature in the mid 30s. West winds 20 to 30 mph with gusts up to 40 mph. Chance of precipitation 50 percent.
Wednesday night and thursday   Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. Highs in the upper 20s.
Thursday night   Mostly cloudy. A chance of snow, mainly in the evening. Lows 10 to 15. Chance of snow 30 percent.
Friday   Mostly cloudy with a slight chance of snow in the morning, then partly sunny in the afternoon. Highs in the mid 20s. Chance of snow 20 percent.
Friday night   Mostly cloudy. Lows around 10 above.
Saturday and saturday night   Mostly cloudy. A 20 percent chance of snow. Highs in the mid 20s. Lows 5 to 10 above.
Sunday   Mostly sunny. Highs in the lower 20s.

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Bryce Anderson – DTN Meteorologist

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Storms and Heavy Rain Move Through the South

Showers and heavy rain for the South. Above-average temperatures for the western Midwest, Central Plains. » More DTN Weather Commentary

Posted at 11:18AM Fri Feb 13, 2026 CST

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