| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Jul-14-2026 9:33pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued July 14 at 6:40PM CDT until July 15 at 8:00PM CDT
Air Quality Alert issued July 14 at 11:40AM CDT
| Tonight |
Mostly clear, with a low around 71. West wind around 5 mph. |
| Wednesday |
Mostly sunny, with a high near 95. Heat index values as high as 102. Northwest wind around 5 mph. |
| Wednesday Night |
Smoke after 8pm. Mostly cloudy, with a low around 69. Heat index values as high as 99. East wind 0 to 5 mph. |
| Thursday |
Smoke before 1pm, then areas of smoke and isolated showers and thunderstorms. Mostly sunny, with a high near 91. Southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
Areas of smoke and a slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
A chance of rain showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. West wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66. Chance of precipitation is 20%. |
| Sunday |
Sunny, with a high near 87. |
| Sunday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 20%. |
| Monday |
A slight chance of rain showers. Mostly sunny, with a high near 87. Chance of precipitation is 20%. |
| Monday Night |
A slight chance of rain showers. Partly cloudy, with a low around 65. Chance of precipitation is 20%. |
| Tuesday |
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.






