| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Aug-11-2026 11:36am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Severe Thunderstorm Watch issued August 11 at 10:50AM CDT until August 11 at 2:00PM CDT
Severe Thunderstorm Watch issued August 11 at 7:22AM CDT until August 11 at 2:00PM CDT
| This Afternoon |
A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 81. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible. |
| Tonight |
Areas of fog after 1am. Mostly cloudy, with a low around 65. Southeast wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Areas of fog before 9am, then a chance of rain showers. Partly sunny, with a high near 83. South wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 65. Northeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
A chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 61. Northeast wind around 5 mph. Chance of precipitation is 20%. |
| Friday |
Mostly sunny, with a high near 77. East wind 5 to 10 mph. |
| Friday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 59. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday |
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 70%. |
| Saturday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 70%. |
| Sunday |
Rain showers likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. |
| Sunday Night |
Mostly cloudy, with a low around 61. |
| Monday |
Mostly sunny, with a high near 78. |
| Monday Night |
A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 59. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.