Onalaska, WI 7-Day Weather Forecast
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Onalaska Weather Forecast


Onalaska, WI Weather Forecast Date: 127 AM CDT Thu Oct 29 2026
Weather forecast for Onalaska, WI
| Tonight Lo: 49°F Lo: 9°C |
Tonight... Mostly cloudy. Lows in the upper 40s. Northwest winds 5 to 10 mph. |
| Thu Hi: 61°FHi: 16°C Lo: 35°F Lo: 2°C |
Thursday... Mostly sunny. Cooler with highs in the lower 60s. Northwest winds 5 to 10 mph. |
| Fri Hi: 60°FHi: 16°C Lo: 45°F Lo: 7°C |
Friday... Mostly sunny. Highs around 60. Light winds. |
| Sat Hi: 61°FHi: 16°C Lo: 50°F Lo: 10°C |
Saturday... Rain showers likely. Highs in the lower 60s. Chance of rain 60%. |
| Sun Hi: 69°FHi: 21°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy. Lows around 50. Highs in the upper 60s. |
| Sun Hi: 69°FHi: 21°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy. Lows around 50. Highs in the upper 60s. |
| Mon Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Monday... Showers likely. Highs in the mid 60s. Chance of rain 60%. |
| Tue Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Tuesday... Showers likely. Lows in the mid 50s. Highs in the mid 60s. Chance of rain 70%. |
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