| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Sep-09-2026 7:33am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
A chance of showers and thunderstorms before 10am. Mostly cloudy, with a high near 81. West wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tonight |
Mostly clear, with a low around 58. Northwest wind 5 to 10 mph. |
| Thursday |
Mostly sunny, with a high near 76. Northwest wind around 5 mph. |
| Thursday Night |
Clear, with a low around 53. East wind around 0 mph. |
| Friday |
Sunny, with a high near 79. South wind 5 to 10 mph. |
| Friday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday Night |
Partly cloudy, with a low around 56. Northwest wind 0 to 5 mph. |
| Sunday |
A chance of rain showers after 7am. Mostly sunny, with a high near 76. Chance of precipitation is 30%. |
| Sunday Night |
A chance of rain showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%. |
| Monday |
A chance of rain showers before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%. |
| Monday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%. |
| Tuesday |
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 50%. |
| Tuesday Night |
A slight chance of rain showers before 1am. Partly cloudy, with a low around 55. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.