| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Aug-24-2026 2:52pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Partly sunny, with a high near 78. North wind 0 to 5 mph. |
| Tonight |
Mostly clear, with a low around 56. Southeast wind around 0 mph. |
| Tuesday |
Mostly sunny, with a high near 81. South wind 0 to 10 mph. |
| Tuesday Night |
A chance of showers and thunderstorms between 1am and 5am. Mostly cloudy, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. West wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 61. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Thursday |
Sunny, with a high near 81. Northwest wind around 5 mph. |
| Thursday Night |
Mostly clear, with a low around 58. North wind 0 to 5 mph. |
| Friday |
Sunny, with a high near 80. |
| Friday Night |
Partly cloudy, with a low around 60. |
| Saturday |
A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 80. Chance of precipitation is 20%. |
| Saturday Night |
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 64. Chance of precipitation is 50%. |
| Sunday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%. |
| Sunday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.