| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Apr-01-2026 6:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Rain between 10pm and 4am, then freezing rain and rain. Cloudy, with a low around 32. East wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. |
| Thursday |
Rain before 7am, then showers and thunderstorms between 7am and 5pm, then showers and thunderstorms likely. Cloudy, with a high near 66. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. |
| Thursday Night |
Showers and thunderstorms likely before 7pm, then showers and thunderstorms between 7pm and 9pm, then a chance of showers and thunderstorms between 9pm and 10pm. Mostly cloudy, with a low around 39. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
| Friday |
A slight chance of rain showers after 4pm. Partly sunny, with a high near 55. North wind 5 to 10 mph. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of rain showers before 7pm, then showers and thunderstorms. Cloudy, with a low around 41. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
| Saturday |
Rain showers before 1pm. Mostly cloudy, with a high near 52. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday Night |
Mostly cloudy, with a low around 32. West wind 15 to 20 mph, with gusts as high as 30 mph. |
| Sunday |
Partly sunny, with a high near 49. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. |
| Sunday Night |
Partly cloudy, with a low around 33. |
| Monday |
A slight chance of rain showers after 7am. Partly sunny, with a high near 50. Chance of precipitation is 20%. |
| Monday Night |
A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible. |
| Tuesday |
Mostly sunny, with a high near 46. |
| Tuesday Night |
A slight chance of snow showers between 1am and 4am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 29. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of rain and snow showers. Mostly sunny, with a high near 56. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.