| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Jun-18-2026 8:36pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 53. West wind around 5 mph. New rainfall amounts less than a tenth of an inch possible. |
| Juneteenth |
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 75. West wind 5 to 10 mph. Chance of precipitation is 20%. |
| Friday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and midnight. Partly cloudy, with a low around 54. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
Mostly sunny, with a high near 76. Northwest wind 5 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 53. North wind 0 to 5 mph. |
| Sunday |
A chance of rain showers after 7am. Mostly cloudy, with a high near 72. East wind 0 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Sunday Night |
A chance of rain showers. Mostly cloudy, with a low around 52. East wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Monday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 74. Northeast wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
Partly cloudy, with a low around 52. |
| Tuesday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 75. Chance of precipitation is 20%. |
| Tuesday Night |
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 40%. |
| Wednesday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 40%. |
| Wednesday Night |
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 54. Chance of precipitation is 40%. |
| Thursday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.