Weather WorldFlat Lake, WI 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Flat Lake Weather Forecast
Flat Lake, WI Weather Forecast Date: 936 PM CST Sat Nov 14 2026
Weather forecast for Flat Lake, WI
Tonight Lo: 21°F Lo: -6°C |
Tonight... Partly cloudy. Lows in the lower 20s. South winds around 5 mph. |
Sun Hi: 49°FHi: 9°C Lo: 31°F Lo: -1°C |
Sunday... Mostly sunny. Highs in the upper 40s. South winds around 5 mph. |
| Mon Hi: 51°FHi: 11°C Lo: 39°F Lo: 4°C |
Monday... Mostly sunny. Highs in the lower 50s. South winds 10 to 15 mph with gusts up to 25 mph. |
Tue Hi: 55°FHi: 13°C Lo: 41°F Lo: 5°C |
Tuesday... Mostly cloudy. Highs in the mid 50s. Lows in the lower 40s. |
| Wed Hi: 55°FHi: 13°C Lo: 41°F Lo: 5°C |
Wednesday... Mostly cloudy. Highs in the mid 50s. Lows in the lower 40s. |
| Wed Hi: 55°FHi: 13°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly cloudy. Highs in the mid 50s. Lows in the lower 40s. |
Thu Hi: 51°FHi: 11°C Lo: 35°F Lo: 2°C |
Thursday... Mostly cloudy. A chance of rain, mainly in the morning. Highs in the lower 50s. Chance of rain 40%. |
| Fri Hi: 50°FHi: 10°C Lo: 40°F Lo: 4°C |
Friday... Mostly cloudy. A chance of rain in the afternoon. Highs around 50. Chance of rain 30%. |
Flat Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...