County Forecast for Gettysburg , SD
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132200-
Potter-
Including the city of Gettysburg
937 AM CDT Thu Aug 13 2026

Rest of today   Mostly cloudy. Highs in the mid 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Tonight   Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Friday   Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Humid with highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
Friday night   Mostly cloudy with a slight chance of thunderstorms. A chance of showers after midnight. Humid with lows around 60. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming west 5 to 10 mph after midnight. Chance of rain 40 percent.
Saturday   Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Humid with highs in the upper 70s. Northwest winds 10 to 15 mph. Chance of rain 40 percent.
Saturday night and sunday   Partly cloudy. Lows in the mid 50s. Highs in the upper 70s.
Sunday night   Partly cloudy. A slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 20 percent.
Monday   Partly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent.
Monday night   Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of thunderstorms. Lows in the upper 50s.
Tuesday   Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers in the afternoon. Highs around 80. Chance of rain 40 percent.
Tuesday night   Partly cloudy with a slight chance of thunderstorms in the evening, then mostly cloudy with a chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 30 percent.
Wednesday   Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. A slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 30 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Thunderstorms Moving Through Corn Belt Thursday
Posted at 5:41AM Thu Aug 13, 2026 CDT
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