| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Sep-14-2026 9:33pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Scattered showers and thunderstorms before 10pm, then isolated showers and thunderstorms between 10pm and 11pm, then showers and thunderstorms. Cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
| Tuesday |
A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
| Tuesday Night |
Partly cloudy, with a low around 53. North wind around 5 mph. |
| Wednesday |
Partly sunny, with a high near 71. Northeast wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A chance of rain showers between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 59. Southeast wind 0 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday |
Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 77. North wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday Night |
A chance of rain showers after 1am. Mostly cloudy, with a low around 59. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
A chance of rain showers. Mostly cloudy, with a high near 76. East wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday Night |
A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. |
| Saturday |
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 70%. |
| Saturday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%. |
| Sunday |
A chance of rain showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%. |
| Sunday Night |
A chance of rain showers before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%. |
| Monday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 71. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.