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Flat Lake, IA 7-Day Weather Forecast
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Flat Lake Weather Forecast
Flat Lake, IA Weather Forecast Date: 236 PM CDT Wed Sep 16 2026
Weather forecast for Flat Lake, IA
Today Hi: 65°FHi: 18°C Lo: 60°F Lo: 16°C |
This Afternoon... Cloudy with a 20% chance of showers. Near steady temperature in the mid 60s. East winds around 5 mph. |
Thu Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Thursday... Mostly cloudy. Showers with a chance of thunderstorms in the morning. Some thunderstorms May produce heavy rainfall in the morning. Humid with highs in the mid 70s. Northeast winds around 5 mph. Chance of rain 80%. |
Fri Hi: 75°FHi: 24°C Lo: 69°F Lo: 21°C |
Friday... Mostly cloudy with a chance of showers. Humid with highs in the mid 70s. East winds 5 to 10 mph. Chance of rain 50%. |
| Sat Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Saturday... Showers likely with a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 70%. |
| Sun Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Sunday... Showers likely. Not as warm with highs in the upper 60s. Chance of rain 60%. |
| Mon Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Monday... Cloudy with a chance of showers. Highs in the upper 60s. Chance of rain 50%. |
| Tue Hi: 69°FHi: 21°C |
Tuesday... Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 30%. |
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