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Custer County Weather Forecast
Custer County, SD Weather Forecast Date: 842 AM MDT Fri Aug 14 2026
Weather forecast for Custer County, SD
Today Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Rest of Today... Areas of fog this morning. Cloudy with a slight chance of showers this morning, then partly cloudy this afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20%. |
Sat Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Saturday... Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 70s. Northwest winds around 5 mph, becoming east with gusts up to 20 mph in the afternoon. Chance of rain 60%. |
| Sun Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Sunday... Partly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 50%. |
Mon Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
Monday... Mostly sunny. Highs in the mid 80s. |
| Tue Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Tuesday... Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30%. |
| Wed Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Wednesday... Partly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50%. |
Thu Hi: 81°FHi: 27°C |
Thursday... Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20%. |
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