| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Sep-24-2026 2:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
A chance of rain showers between midnight and 4am. Mostly cloudy, with a low around 56. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. |
| Friday |
Mostly cloudy, with a high near 68. East wind 0 to 5 mph. |
| Friday Night |
Partly cloudy, with a low around 48. East wind 0 to 5 mph. |
| Saturday |
Mostly sunny, with a high near 69. Southeast wind 0 to 5 mph. |
| Saturday Night |
Mostly cloudy, with a low around 50. East wind 0 to 5 mph. |
| Sunday |
Partly sunny, with a high near 68. Southeast wind around 0 mph. |
| Sunday Night |
Partly cloudy, with a low around 50. Northeast wind around 0 mph. |
| Monday |
Mostly sunny, with a high near 70. Southeast wind 0 to 5 mph. |
| Monday Night |
Partly cloudy, with a low around 54. |
| Tuesday |
A chance of rain showers after 7am. Partly sunny, with a high near 69. Chance of precipitation is 40%. |
| Tuesday Night |
Rain showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%. |
| Wednesday |
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 67. Chance of precipitation is 70%. |
| Wednesday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%. |
| Thursday |
A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.