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Flat Lake, WI 7-Day Weather Forecast
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Flat Lake Weather Forecast
Flat Lake, WI Weather Forecast Date: 1216 AM CDT Sat Sep 26 2026
Weather forecast for Flat Lake, WI
Tonight Lo: 50°F Lo: 10°C |
Tonight... Mostly cloudy. Near steady temperature in the lower 50s. East winds around 5 mph. |
Sat Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Saturday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. |
Sun Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Sunday... Mostly cloudy. A slight chance of showers in the morning. Highs in the upper 60s. Southwest winds around 5 mph. Chance of rain 20%. |
| Mon Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Monday... Partly sunny. Highs in the lower 70s. |
| Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy with a 50% chance of showers. Highs in the upper 60s. Lows in the lower 50s. |
| Wed Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30%. |
| Thu Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Thursday... Mostly cloudy with a 20% chance of showers. Lows in the mid 40s. Highs in the mid 60s. |
| Fri Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Friday... Mostly cloudy with a 20% chance of showers. Lows in the mid 40s. Highs in the mid 60s. |
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