| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Aug-08-2026 6:48am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Patchy fog before 8am. Sunny, with a high near 81. Northwest wind 5 to 10 mph. |
| Tonight |
Mostly clear, with a low around 62. Southwest wind around 5 mph. |
| Sunday |
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers and thunderstorms likely between 11am and noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible. |
| Monday |
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Northeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday |
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. East wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%. |
| Wednesday Night |
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%. |
| Thursday |
Partly sunny, with a high near 77. |
| Thursday Night |
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 20%. |
| Friday |
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 30%. |
| Friday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.