Weather WorldAlga Lake, WI 7-Day Weather Forecast
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Alga Lake Weather Forecast
Alga Lake, WI Weather Forecast Date: 1122 PM CDT Wed Aug 19 2026
Weather forecast for Alga Lake, WI
Tonight Lo: 45°F Lo: 7°C |
Tonight... Mostly clear. Lows in the middle 40s. Light and variable wind. |
Thu Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Thursday... Mostly sunny in the morning then becoming partly cloudy. Highs in the upper 70s. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. |
Fri Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Friday... Mostly cloudy with a chance of showers in the morning, then partly cloudy with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest wind 5 to 10 mph shifting to the northwest in the afternoon. Chance of rain 50%. |
Sat Hi: 75°FHi: 24°C Lo: 50°F Lo: 10°C |
Saturday... Mostly sunny. Highs in the middle 70s. |
| Sun Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Sunday... Clear. Lows around 50. Highs in the middle 70s. |
| Mon Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Monday... Partly cloudy. Highs in the upper 70s. Lows in the middle 50s. |
Tue Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Tuesday... Partly cloudy with a chance of showers. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 30%. |
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