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Martelle Lake, IA 7-Day Weather Forecast
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Martelle Lake Weather Forecast
Martelle Lake, IA Weather Forecast Date: 241 PM CDT Mon Aug 31 2026
Weather forecast for Martelle Lake, IA
Tonight Lo: 70°F Lo: 21°C |
Tonight... Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows around 70. Southwest winds around 5 mph this evening, becoming light and variable. Heat index values in the mid 90s early this evening. |
| Tue Hi: 90°FHi: 32°C Lo: 70°F Lo: 21°C |
Tuesday... Patchy fog in the morning. Partly sunny. Hot with highs around 90. Light and variable winds, becoming southwest around 5 mph in the afternoon. Heat index values in the mid 90s in the afternoon. |
Wed Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Wednesday... Hot. Mostly sunny. Highs in the lower 90s. Light winds. |
Thu Hi: 89°FHi: 32°C Lo: 70°F Lo: 21°C |
Thursday... Showers likely and a chance of thunderstorms. Highs in the upper 80s. Chance of rain 60%. |
| Fri Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Friday... Partly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 50%. |
Sat Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Saturday... Partly sunny. Highs in the mid 80s. |
Sun Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Sunday... Partly cloudy. Lows in the mid 60s. Highs in the mid 80s. |
| Sun Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Sunday... Partly cloudy. Lows in the mid 60s. Highs in the mid 80s. |
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