| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Jun-20-2026 5:03pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Partly sunny, with a high near 74. West wind around 5 mph. |
| Tonight |
Mostly clear, with a low around 53. Northwest wind 0 to 5 mph. |
| Sunday |
Rain showers likely after noon. Mostly cloudy, with a high near 69. Southeast wind 0 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday Night |
Rain showers likely before 1am. Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
Mostly sunny, with a high near 76. Northeast wind 5 to 10 mph. |
| Monday Night |
Mostly clear, with a low around 51. East wind 0 to 5 mph. |
| Tuesday |
Mostly sunny, with a high near 75. West wind 0 to 5 mph. |
| Tuesday Night |
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 56. South wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday |
Showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 80%. |
| Wednesday Night |
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 70%. |
| Thursday |
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. Chance of precipitation is 20%. |
| Friday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.