| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Jul-31-2026 2:06pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Showers and thunderstorms. Cloudy. High near 73, with temperatures falling to around 66 in the afternoon. Southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight |
Showers and thunderstorms. Cloudy, with a low around 63. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
| Saturday |
Showers and thunderstorms before 5pm. Cloudy, with a high near 74. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
| Saturday Night |
Mostly cloudy, with a low around 61. Northeast wind 10 to 15 mph. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
Mostly sunny, with a high near 77. North wind 10 to 15 mph. |
| Sunday Night |
Mostly clear, with a low around 54. Northeast wind 0 to 10 mph. |
| Monday |
Sunny, with a high near 80. Northeast wind around 5 mph. |
| Monday Night |
Mostly clear, with a low around 57. Southeast wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 82. |
| Tuesday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%. |
| Wednesday |
A chance of rain showers. Partly sunny, with a high near 81. Chance of precipitation is 30%. |
| Wednesday Night |
A slight chance of rain showers. Mostly cloudy, with a low around 60. Chance of precipitation is 20%. |
| Thursday |
A slight chance of rain showers. Mostly sunny, with a high near 81. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.