| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Jul-17-2026 12:52pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Tonight |
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. |
| Saturday |
A chance of rain showers between 9am and 10am, then patchy smoke between noon and 1pm. Sunny, with a high near 88. Northwest wind around 10 mph. Chance of precipitation is 30%. |
| Saturday Night |
Patchy smoke between 7pm and 8pm. Mostly clear, with a low around 62. Northeast wind 0 to 10 mph. |
| Sunday |
Sunny, with a high near 85. East wind 0 to 5 mph. |
| Sunday Night |
Partly cloudy, with a low around 65. South wind around 5 mph. |
| Monday |
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 10 to 15 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 before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. West wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 81. Chance of precipitation is 30%. |
| Tuesday Night |
Mostly clear, with a low around 58. |
| Wednesday |
Sunny, with a high near 78. |
| Wednesday Night |
Mostly clear, with a low around 57. |
| Thursday |
Sunny, with a high near 80. |
| Thursday Night |
Partly cloudy, with a low around 59. |
Forecast from NOAA-NWS for Cottage Grove, WI.