| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Apr-03-2026 7:34pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms between 8pm and 5am. Cloudy, with a low around 36. East wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. |
| Saturday |
A chance of rain showers between 7am and 8am. Cloudy, with a high near 50. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday Night |
A slight chance of rain showers before 10pm. Mostly cloudy, with a low around 32. West wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. |
| Sunday |
Mostly sunny, with a high near 52. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Sunday Night |
Partly cloudy, with a low around 34. West wind 5 to 10 mph. |
| Monday |
Mostly sunny, with a high near 47. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Monday Night |
Partly cloudy, with a low around 21. North wind 5 to 15 mph. |
| Tuesday |
Sunny, with a high near 45. East wind around 5 mph. |
| Tuesday Night |
A chance of snow showers between 7pm and 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. |
| Wednesday |
A chance of rain and snow showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%. |
| Wednesday Night |
A chance of rain showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%. |
| Thursday |
A chance of rain showers. Partly sunny, with a high near 61. Chance of precipitation is 40%. |
| Thursday Night |
A chance of rain showers. Mostly cloudy, with a low around 41. Chance of precipitation is 50%. |
| Friday |
Rain showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%. |
Forecast from NOAA-NWS for Cottage Grove, WI.