| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Aug-02-2026 2:51pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 78. Northeast wind around 10 mph. |
| Tonight |
Mostly clear, with a low around 54. Northeast wind 0 to 10 mph. |
| Monday |
Sunny, with a high near 81. East wind 0 to 5 mph. |
| Monday Night |
Mostly clear, with a low around 58. South wind 0 to 5 mph. |
| Tuesday |
Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. Southwest wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southwest wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
| Wednesday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday |
A chance of rain showers before 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%. |
| Thursday Night |
Mostly clear, with a low around 59. |
| Friday |
Mostly sunny, with a high near 82. |
| Friday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%. |
| Saturday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 84. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 64. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.