| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Dec-17-2025 8:12pm CST | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Rain likely after 3am. Cloudy. Low around 29, with temperatures rising to around 38 overnight. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Rain before 1pm, then snow showers likely. Mostly cloudy. High near 40, with temperatures falling to around 29 in the afternoon. Southwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than half an inch possible. |
| Thursday Night |
A chance of snow showers before midnight. Mostly cloudy, with a low around 6. Wind chill values as low as -12. West wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. |
| Friday |
Mostly sunny, with a high near 23. Wind chill values as low as -11. West wind 10 to 15 mph, with gusts as high as 30 mph. |
| Friday Night |
Mostly cloudy. Low around 16, with temperatures rising to around 27 overnight. South wind around 10 mph. |
| Saturday |
A slight chance of rain and snow. Mostly cloudy. High near 36, with temperatures falling to around 28 in the afternoon. Southwest wind 10 to 15 mph. Chance of precipitation is 20%. |
| Saturday Night |
Mostly clear, with a low around 7. Northwest wind 10 to 15 mph. |
| Sunday |
Sunny. High near 22, with temperatures falling to around 17 in the afternoon. West wind 5 to 10 mph. |
| Sunday Night |
Partly cloudy. Low around 10, with temperatures rising to around 16 overnight. |
| Monday |
Mostly cloudy, with a high near 34. |
| Monday Night |
Mostly cloudy, with a low around 28. |
| Tuesday |
Partly sunny, with a high near 39. |
| Tuesday Night |
Mostly cloudy, with a low around 21. |
| Wednesday |
Partly sunny, with a high near 36. |
Forecast from NOAA-NWS for Cottage Grove, WI.