| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Apr-07-2026 3:32am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Clear, with a low around 21. Northeast wind around 5 mph. |
| Tuesday |
Sunny, with a high near 43. East wind 0 to 5 mph. |
| Tuesday Night |
A chance of snow showers between midnight and 3am, then a chance of rain showers. Mostly cloudy. Low around 29, with temperatures rising to around 34 overnight. Southeast wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
A chance of rain showers. Partly sunny, with a high near 65. South wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
Rain showers. Mostly cloudy, with a low around 43. Southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday |
A chance of rain showers. Mostly sunny, with a high near 60. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
Rain showers likely before 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 40. North wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday |
Rain showers likely before 1pm. Partly sunny, with a high near 57. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday Night |
Mostly clear, with a low around 35. |
| Saturday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 60. Chance of precipitation is 20%. |
| Saturday Night |
Rain showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. |
| Sunday |
Rain showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%. |
| Sunday Night |
Rain showers likely before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%. |
| Monday |
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 60%. |
Forecast from NOAA-NWS for Cottage Grove, WI.