| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Jan-14-2026 7:36pm CST | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 10. Wind chill values as low as 0. North wind 5 to 15 mph, with gusts as high as 30 mph. |
| Thursday |
A slight chance of snow after 4pm. Mostly sunny, with a high near 25. West wind 5 to 10 mph. Chance of precipitation is 20%. |
| Thursday Night |
Snow. Cloudy. Low around 21, with temperatures rising to around 28 overnight. Southwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible. |
| Friday |
Snow likely. Mostly cloudy, with a high near 34. West wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible. |
| Friday Night |
A chance of snow. Mostly cloudy, with a low around 10. West wind 10 to 15 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. |
| Saturday |
A chance of snow. Mostly cloudy, with a high near 16. West wind 10 to 15 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible. |
| Saturday Night |
Mostly cloudy, with a low around 3. West wind 10 to 15 mph. |
| Sunday |
A slight chance of snow after noon. Partly sunny, with a high near 14. West wind 10 to 15 mph. Chance of precipitation is 20%. |
| Sunday Night |
A slight chance of snow. Mostly cloudy, with a low around 2. Chance of precipitation is 20%. |
| M.L. King Jr. Day |
Partly sunny, with a high near 8. |
| Monday Night |
Partly cloudy, with a low around -2. |
| Tuesday |
Mostly sunny, with a high near 14. |
| Tuesday Night |
Mostly cloudy, with a low around 4. |
| Wednesday |
Partly sunny, with a high near 20. |
Forecast from NOAA-NWS for Cottage Grove, WI.