| 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 3:57am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 61. South wind around 5 mph. |
| Tuesday |
A chance of showers and thunderstorms after 3pm. 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 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then showers and thunderstorms likely between 11pm and 2am, then patchy fog and showers and thunderstorms. Mostly cloudy, with a low around 62. West wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
| Wednesday |
Patchy fog and a chance of showers and thunderstorms before 7am, then patchy fog and a chance of showers and thunderstorms between 7am and 9am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 75. West wind around 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 before 1am. Mostly cloudy, with a low around 57. Northwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Mostly sunny, with a high near 79. Northwest wind around 0 mph. New rainfall amounts less than a tenth of an inch possible. |
| 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 5 mph. |
| Friday Night |
Mostly clear, with a low around 62. |
| Saturday |
Mostly sunny, with a high near 84. |
| Saturday Night |
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%. |
| Sunday |
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%. |
| Sunday Night |
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 50%. |
| Monday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.