| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Mar-10-2026 12:17am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 39. Northeast wind 0 to 5 mph. |
| Tuesday |
A chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 50. Northeast wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
Showers and thunderstorms before 4am, then a chance of rain. Cloudy, with a low around 33. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
Rain likely before 9am, then rain and snow likely. Mostly cloudy, with a high near 40. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday Night |
A chance of rain and snow before 7pm. Mostly clear, with a low around 24. Northwest wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Mostly sunny, with a high near 46. Southwest wind 5 to 15 mph. |
| Thursday Night |
Rain between 7pm and 4am, then rain and snow. Mostly cloudy, with a low around 34. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday |
Rain and snow before 7am. Partly sunny, with a high near 45. West wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A slight chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 20%. |
| Saturday |
A chance of snow before 1pm, then a slight chance of rain and snow. Cloudy, with a high near 42. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible. |
| Saturday Night |
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than half an inch possible. |
| Sunday |
Rain and snow likely. Cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible. |
| Sunday Night |
A chance of rain and snow before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 50%. New snow accumulation of 2 to 4 inches possible. |
| Monday |
Mostly cloudy, with a high near 27. |
Forecast from NOAA-NWS for Cottage Grove, WI.