Weather World
Lake Mendota, WI 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lake Mendota Weather Forecast
Lake Mendota, WI Weather Forecast Date: 1030 PM CDT Tue Aug 18 2026
Weather forecast for Lake Mendota, WI
Tonight Lo: 60°F Lo: 16°C |
Tonight... Mostly cloudy with light rain showers and thunderstorms in the evening, then mostly cloudy with slight chance of light rain showers late in the evening. Partly cloudy after midnight. Patchy fog early in the morning. Some thunderstorms May be severe with damaging winds and large hail. Lows around 60. Southwest winds up to 5 mph shifting to the northwest after midnight. Chance of precipitation 90%. |
Wed Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Wednesday... Partly sunny. Patchy fog in the morning. Highs in the upper 70s. North winds up to 5 mph. |
Thu Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Thursday... Sunny. Highs around 80. Southwest winds up to 5 mph. |
Fri Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Friday... Partly sunny. Chance of light showers in the morning, then light showers likely and chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 60%. |
| Sat Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Saturday... Sunny. Highs in the upper 70s. |
Sun Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Sunday... Sunny in the morning then becoming partly sunny. Highs in the mid 70s. |
Mon Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Monday... Partly sunny with a 20% chance of light rain showers. Highs in the upper 70s. |
Lake Mendota Radar Loop
Use the map search tool if you want to place a location marker on the radar map...