| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Jun-23-2026 8:37pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
A slight chance of showers and thunderstorms between 1am and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. South wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southwest wind 5 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday Night |
A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 56. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Mostly sunny, with a high near 76. Northwest wind around 5 mph. |
| Thursday Night |
Partly cloudy, with a low around 54. Northeast wind 0 to 5 mph. |
| Friday |
Mostly sunny, with a high near 76. East wind 0 to 5 mph. |
| Friday Night |
Partly cloudy, with a low around 56. East wind 0 to 5 mph. |
| Saturday |
Mostly sunny, with a high near 81. East wind 5 to 10 mph. |
| Saturday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 30%. |
| Sunday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%. |
| Sunday Night |
Partly cloudy, with a low around 73. |
| Monday |
Mostly sunny, with a high near 91. |
| Monday Night |
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%. |
| Tuesday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.