| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Aug-28-2026 9:31am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny, with a high near 82. Southwest wind around 5 mph. |
| Tonight |
Partly cloudy, with a low around 60. Southwest wind around 5 mph. |
| Saturday |
Rain showers likely after 11am. Mostly cloudy, with a high near 78. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday Night |
Rain showers likely before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%. |
| Tuesday Night |
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%. |
| Wednesday |
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%. |
| Wednesday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 20%. |
| Thursday |
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 66. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.