| 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 6:27am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
A slight chance of rain showers after 4pm. Partly sunny, with a high near 70. Southeast wind 0 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A chance of rain showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 11pm, then showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 15 to 20 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 |
Showers and thunderstorms before 1pm. Mostly cloudy, with a high near 75. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
| Tuesday Night |
Mostly cloudy, with a low around 53. North wind 0 to 5 mph. |
| Wednesday |
A chance of rain showers after 7am. Mostly cloudy, with a high near 68. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday Night |
A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
| Thursday |
Showers and thunderstorms before 1pm. Mostly cloudy, with a high near 74. Northeast wind around 5 mph. Chance of precipitation is 80%. 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 57. East 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. Partly sunny, with a high near 75. Chance of precipitation is 50%. |
| Friday Night |
Rain showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%. |
| Saturday |
Rain showers likely before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 70%. |
| Saturday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%. |
| Sunday |
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 30%. |
| Sunday Night |
A slight chance of rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.