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Siemer Lake, WI 7-Day Weather Forecast
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Siemer Lake Weather Forecast
Siemer Lake, WI Weather Forecast Date: 532 PM CDT Mon Aug 31 2026
Weather forecast for Siemer Lake, WI
Tonight Lo: 69°F Lo: 21°C |
Tonight... Muggy. Partly cloudy. A chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 60s. Light and variable wind. Chance of rain 40%. Highest heat index readings to 96 in the evening. |
Tue Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Very warm and humid. Partly sunny. Patchy fog in the morning. Highs in the upper 80s. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. |
Wed Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Wednesday... Humid. Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the middle 80s. Light and variable wind. Chance of rain 50%. |
Thu Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Thursday... Humid. Mostly cloudy with a 50% chance of showers and thunderstorms. Highs in the lower 80s. |
| Fri Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Friday... Partly cloudy. A 40% chance of showers and thunderstorms. Highs in the lower 80s. Lows in the lower 60s. |
Sat Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Saturday... Humid. Partly cloudy. Highs in the lower 80s. |
| Sun Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s. |
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