| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, May-03-2026 10:33am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny, with a high near 70. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
Mostly clear, with a low around 44. Southwest wind 5 to 10 mph. |
| Monday |
A slight chance of rain showers between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 76. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Northwest wind 5 to 15 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday |
A chance of rain showers. Mostly cloudy, with a high near 55. North wind 5 to 10 mph. Chance of precipitation is 30%. |
| Tuesday Night |
A chance of rain showers before 7pm, then areas of frost. Mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. |
| Wednesday |
Areas of frost before 7am. Partly sunny, with a high near 56. Northwest wind 5 to 10 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 37. West wind 0 to 5 mph. |
| Thursday |
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 58. Chance of precipitation is 40%. |
| Thursday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 37. Chance of precipitation is 40%. |
| Friday |
A slight chance of rain showers. Mostly sunny, with a high near 61. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of rain showers before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 20%. |
| Saturday |
Mostly sunny, with a high near 64. |
| Saturday Night |
Mostly clear, with a low around 42. |
Forecast from NOAA-NWS for Cottage Grove, WI.