| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Aug-26-2026 2:36pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Isolated rain showers after 5pm. Partly sunny, with a high near 81. Northwest wind around 10 mph. Chance of precipitation is 20%. |
| Tonight |
Isolated rain showers before 9pm. Mostly clear, with a low around 60. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Thursday |
Sunny, with a high near 80. Northwest wind 5 to 10 mph. |
| Thursday Night |
Mostly clear, with a low around 57. Southeast wind 0 to 5 mph. |
| Friday |
Sunny, with a high near 81. South wind 0 to 5 mph. |
| Friday Night |
Partly cloudy, with a low around 62. South wind around 5 mph. |
| Saturday |
A slight chance of rain showers after 1pm. Partly sunny, with a high near 80. South wind 5 to 10 mph. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Sunday |
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%. |
| Sunday Night |
A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%. |
| Monday |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 88. Chance of precipitation is 50%. |
| Monday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%. |
| Tuesday |
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 87. Chance of precipitation is 40%. |
| Tuesday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.