| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Dec-18-2025 6:41pm CST | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Snow likely before 3am. Mostly cloudy, with a low around 6. Wind chill values as low as -10. West wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible. |
| Friday |
Mostly sunny, with a high near 20. Wind chill values as low as -12. West wind 5 to 20 mph, with gusts as high as 35 mph. |
| Friday Night |
Mostly cloudy. Low around 15, with temperatures rising to around 27 overnight. South wind 5 to 10 mph. |
| Saturday |
A slight chance of snow before noon. Partly sunny. High near 36, with temperatures falling to around 29 in the afternoon. Southwest wind 10 to 15 mph. Chance of precipitation is 20%. |
| Saturday Night |
Mostly clear, with a low around 7. West wind 10 to 15 mph, with gusts as high as 25 mph. |
| Sunday |
Sunny, with a high near 21. West wind 5 to 10 mph. |
| Sunday Night |
Mostly cloudy. Low around 11, with temperatures rising to around 20 overnight. South wind 0 to 5 mph. |
| Monday |
A slight chance of snow before noon. Mostly cloudy, with a high near 36. South wind 5 to 10 mph. Chance of precipitation is 20%. |
| Monday Night |
Mostly cloudy, with a low around 30. |
| Tuesday |
Partly sunny. High near 40, with temperatures falling to around 35 in the afternoon. |
| Tuesday Night |
Mostly cloudy, with a low around 26. |
| Wednesday |
Mostly cloudy, with a high near 41. |
| Wednesday Night |
A slight chance of rain before midnight. Mostly cloudy, with a low around 33. Chance of precipitation is 20%. |
| Christmas Day |
Partly sunny. High near 43, with temperatures falling to around 38 in the afternoon. |
Forecast from NOAA-NWS for Cottage Grove, WI.