Reliance Lake, SD 7-Day Weather Forecast
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Reliance Lake Weather Forecast


Reliance Lake, SD Weather Forecast Date: 637 AM CDT Mon Aug 10 2026
Weather forecast for Reliance Lake, SD
| Today Hi: 90°FHi: 32°C Lo: 65°F Lo: 18°C |
Today... Partly sunny. A slight chance of thunderstorms this morning. Hot with highs around 90. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%. |
| Tue Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Tuesday... Partly sunny. Humid with highs in the upper 80s. East winds 10 to 15 mph. |
| Wed Hi: 81°FHi: 27°C Lo: 60°F Lo: 16°C |
Wednesday... Partly sunny. A slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. East winds 10 to 15 mph. Chance of rain 20%. |
| Thu Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Thursday... A chance of showers in the morning. Cloudy with a slight chance of thunderstorms. Highs in the mid 70s. Chance of rain 50%. |
| Fri Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Friday... Cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 70s. Chance of rain 50%. |
| Sat Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Saturday... Cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Chance of rain 20%. |
| Sun Hi: 75°FHi: 24°C |
Sunday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40%. |
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