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St. Charles, SD 7-Day Night Weather Forecast
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St. Charles, SD Weather Forecast
St. Charles, SD Weather Forecast Date: 955 AM CDT Mon Aug 10 2026
The area/counties/county of: Gregory, including the cities of: Gregory and Burke.or toggle through each period.
Rest of Today... Partly sunny. Highs in the mid 80s. Southeast winds 10 to 15 mph.
Tonight... Patchy smoke in the evening. Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Humid with lows in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming east 5 to 10 mph after midnight. Chance of rain 30%.
Tuesday... Mostly sunny. Humid with highs in the upper 80s. East winds 5 to 10 mph.
Tuesday Night... Partly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the evening. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 40%.
Wednesday... Partly sunny. Humid with highs in the mid 80s. East winds 10 to 15 mph.
Wednesday Night... A chance of thunderstorms. Showers. Lows in the lower 60s. Chance of rain 80%.
Thursday... Cloudy. A chance of showers in the morning. Not as warm with highs in the lower 70s. Chance of rain 50%.
Thursday Night... Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 40%.
Friday... Cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40%.
Friday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50%.
Saturday... Cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Chance of rain 50%.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 30%.
POP = Probability of Precipitation
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