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About Custer State ParkCuster State Park, SD 7-Day Weather Forecast
13329 US Highway 16A, Custer, SD 57730 (605) 255-4515Quick Weather Clicks
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Custer State Park Weather Forecast
Custer State Park, SD Weather Forecast Date: 252 AM MDT Sat Aug 15 2026
Weather forecast for Custer State Park, SD
Morning Hi: 59°FHi: 15°C |
Early This Morning... Mostly cloudy with scattered showers and isolated thunderstorms. Near steady temperature in the upper 50s. Northwest winds around 5 mph. Chance of rain 40%. |
| Today Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Today... Partly cloudy with scattered showers and isolated thunderstorms in the morning, then mostly cloudy with showers and thunderstorms likely in the afternoon. Highs in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 70%. |
| Sun Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Sunday... Partly cloudy with a slight chance of showers in the morning, then mostly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 70%. |
| Mon Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Monday... Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 80. Northwest winds around 5 mph, becoming south with gusts up to 20 mph in the afternoon. Chance of rain 50%. |
| Tue Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy with a chance of showers in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 60%. |
| Wed Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Wednesday... Partly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50%. |
| Thu Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20%. |
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