| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Aug-04-2026 2:46pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly cloudy, with a high near 83. Southwest wind around 10 mph. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely between 8pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and thunderstorms likely between 1am and 4am, then patchy fog and showers and thunderstorms. Mostly cloudy, with a low around 63. Northwest wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
| Wednesday |
Patchy fog and showers and thunderstorms likely before 8am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Northwest 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 slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 56. West wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Mostly sunny, with a high near 79. Northeast wind around 0 mph. |
| Thursday Night |
Mostly clear, with a low around 58. South wind around 0 mph. |
| Friday |
Sunny, with a high near 81. Southwest wind 0 to 10 mph. |
| Friday Night |
A slight chance of rain showers after 7pm. Mostly clear, with a low around 63. Southwest wind around 5 mph. Chance of precipitation is 20%. |
| Saturday |
A slight chance of rain showers. Mostly sunny, with a high near 81. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%. |
| Sunday |
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%. |
| Sunday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%. |
| Monday |
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 60%. |
| Monday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.