| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Jun-15-2026 5:32pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 74. West wind around 10 mph. |
| Tonight |
A chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. |
| Tuesday |
A slight chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely between 1pm and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 70. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
Showers and thunderstorms likely. Partly cloudy, with a low around 51. West wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Rain showers before 1pm, then showers and thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 64 in the afternoon. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
| Wednesday Night |
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 5 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible. |
| Thursday |
A slight chance of rain showers before 7am. Partly sunny, with a high near 71. Northwest wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
Mostly clear, with a low around 52. West wind 5 to 10 mph. |
| Juneteenth |
Sunny, with a high near 73. |
| Friday Night |
Mostly clear, with a low around 53. |
| Saturday |
Sunny, with a high near 76. |
| Saturday Night |
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 55. Chance of precipitation is 30%. |
| Sunday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 40%. |
| Sunday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.