| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Feb-27-2026 7:33pm CST | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Partly cloudy, with a low around 24. Northwest wind 5 to 15 mph, with gusts as high as 35 mph. |
| Saturday |
Snow after 8am. Mostly cloudy, with a high near 28. North wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible. |
| Saturday Night |
A slight chance of snow before 7pm. Partly cloudy, with a low around 13. North wind around 5 mph. Chance of precipitation is 20%. |
| Sunday |
Mostly sunny, with a high near 29. Northeast wind around 5 mph. |
| Sunday Night |
Mostly cloudy, with a low around 13. East wind 0 to 5 mph. |
| Monday |
Partly sunny, with a high near 40. Southeast wind 5 to 10 mph. |
| Monday Night |
A chance of snow after midnight. Mostly cloudy, with a low around 27. Southeast wind around 5 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible. |
| Tuesday |
A chance of rain and snow. Mostly cloudy, with a high near 41. East wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A slight chance of rain before midnight. Partly cloudy, with a low around 27. Chance of precipitation is 20%. |
| Wednesday |
A chance of rain. Mostly sunny, with a high near 47. Chance of precipitation is 30%. |
| Wednesday Night |
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. |
| Thursday |
Rain likely. Cloudy, with a high near 48. Chance of precipitation is 60%. |
| Thursday Night |
A chance of rain. Cloudy, with a low around 35. Chance of precipitation is 50%. |
| Friday |
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.












