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Sun Valley Lake, IA 7-Day Weather Forecast
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Sun Valley Lake Weather Forecast
Sun Valley Lake, IA Weather Forecast Date: 612 PM CDT Mon Aug 17 2026
Weather forecast for Sun Valley Lake, IA
Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly clear this evening, then becoming mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph. |
Tue Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Tuesday... Partly sunny with a chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 70%. |
| Wed Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Wednesday... Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. Northeast winds around 5 mph. Chance of rain 20%. |
Thu Hi: 80°FHi: 27°C Lo: 65°F Lo: 18°C |
Thursday... Mostly sunny. Highs around 80. |
| Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20%. |
| Sat Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Saturday... Sunny. Highs in the upper 70s. |
Sun Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Sunday... Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20%. |
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