| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Mar-26-2026 2:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Rain showers. Cloudy. High near 56, with temperatures falling to around 51 in the afternoon. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
Rain showers likely before 9pm. Mostly cloudy, with a low around 23. North wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Mostly sunny, with a high near 43. North wind 10 to 15 mph. |
| Friday Night |
Mostly clear, with a low around 22. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. |
| Saturday |
Mostly sunny, with a high near 49. Southwest wind 5 to 15 mph. |
| Saturday Night |
Mostly cloudy, with a low around 36. South wind around 10 mph. |
| Sunday |
Mostly sunny, with a high near 64. Southwest wind around 10 mph. |
| Sunday Night |
Partly cloudy, with a low around 45. South wind 5 to 10 mph. |
| Monday |
Mostly sunny, with a high near 70. |
| Monday Night |
A chance of thunderstorms and a chance of rain after 7pm. Mostly cloudy, with a low around 48. Chance of precipitation is 50%. |
| Tuesday |
A chance of rain. Partly sunny, with a high near 70. Chance of precipitation is 50%. |
| Tuesday Night |
A chance of rain before 7pm, then rain likely and a slight chance of thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. |
| Wednesday |
A chance of rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 59. Chance of precipitation is 50%. |
| Wednesday Night |
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.