| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Apr-12-2026 7:56am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Showers and thunderstorms before 9am, then a chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 70. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tonight |
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then patchy fog and a slight chance of rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Southwest wind around 10 mph. Chance of precipitation is 30%. |
| Monday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southwest wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
A chance of rain showers before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 72. South wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday |
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%. |
| Thursday Night |
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%. |
| Friday |
A chance of rain showers after 1pm. Mostly sunny, with a high near 78. Chance of precipitation is 50%. |
| Friday Night |
A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 80%. |
| Saturday |
Showers and thunderstorms likely. Partly sunny, with a high near 61. Chance of precipitation is 60%. |
| Saturday Night |
A chance of showers and thunderstorms before 4am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.