| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Jun-02-2026 4:26am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Clear, with a low around 50. Northeast wind around 5 mph. |
| Tuesday |
Sunny, with a high near 78. East wind 5 to 10 mph. |
| Tuesday Night |
Mostly clear, with a low around 49. Southeast wind 0 to 10 mph. |
| Wednesday |
Sunny, with a high near 82. South wind 0 to 5 mph. |
| Wednesday Night |
Partly cloudy, with a low around 57. South wind around 5 mph. |
| Thursday |
Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph. |
| Thursday Night |
A chance of rain showers after 1am. Mostly cloudy, with a low around 64. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. |
| Friday |
A chance of rain showers before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. |
| Saturday |
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%. |
| Saturday Night |
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. |
| Sunday |
A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 20%. |
| Sunday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 20%. |
| Monday |
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.