| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Aug-03-2026 2:56pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 82. South wind around 5 mph. |
| Tonight |
Mostly clear, with a low around 60. South wind around 5 mph. |
| Tuesday |
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then showers and thunderstorms likely between 11pm and midnight, then a chance of showers and thunderstorms between midnight and 3am, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. West wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 78. Northwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
Mostly clear, with a low around 58. Southwest wind around 0 mph. |
| Friday |
Sunny, with a high near 81. |
| Friday Night |
Mostly clear, with a low around 61. |
| Saturday |
Sunny, with a high near 83. |
| Saturday Night |
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 66. Chance of precipitation is 20%. |
| Sunday |
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%. |
| Sunday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.