| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Apr-05-2026 11:46pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 34. Northwest wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A slight chance of rain showers between 3pm and 4pm, then a slight chance of snow showers between 4pm and 5pm, then a slight chance of rain showers. Partly sunny, with a high near 44. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. |
| Monday Night |
A slight chance of snow showers before 7pm. Partly cloudy, with a low around 21. North wind 5 to 15 mph. Chance of precipitation is 20%. |
| Tuesday |
Sunny, with a high near 42. East wind 0 to 5 mph. |
| Tuesday Night |
A chance of rain and snow between 7pm and 4am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Southeast wind 5 to 15 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. |
| Wednesday |
A chance of rain and snow before 1pm, then a chance of rain showers. Partly sunny, with a high near 63. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. |
| Wednesday Night |
Rain showers before 10pm, then showers and thunderstorms. Mostly cloudy, with a low around 49. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday |
Rain showers likely. Partly sunny, with a high near 63. Southwest wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday Night |
A chance of rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%. |
| Friday |
A chance of rain showers. Mostly sunny, with a high near 58. Chance of precipitation is 50%. |
| Friday Night |
A chance of rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%. |
| Saturday |
A chance of rain showers. Partly sunny, with a high near 60. Chance of precipitation is 40%. |
| Saturday Night |
Rain showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. |
| Sunday |
Rain showers likely before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%. |
Forecast from NOAA-NWS for Cottage Grove, WI.