| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Mar-28-2026 1:35pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 50. Southwest wind around 15 mph, with gusts as high as 30 mph. |
| Tonight |
Partly cloudy, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Sunday |
Partly sunny, with a high near 64. Southwest wind 10 to 15 mph. |
| Sunday Night |
Mostly clear, with a low around 43. South wind 5 to 10 mph. |
| Monday |
Mostly sunny, with a high near 77. South wind 5 to 10 mph. |
| Monday Night |
A chance of rain and a slight chance of thunderstorms between 7pm and 10pm, then a chance of thunderstorms and a chance of rain between 10pm and 1am, then rain likely and a chance of thunderstorms. Mostly cloudy, with a low around 57. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
Rain likely and a slight chance of thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 62 in the afternoon. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday Night |
Rain likely and a slight chance of thunderstorms before 1am. Mostly cloudy, with a low around 31. Northwest 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. |
| Wednesday |
Partly sunny, with a high near 46. |
| Wednesday Night |
A slight chance of snow after 7pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%. |
| Thursday |
A slight chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%. |
| Thursday Night |
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%. |
| Friday |
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 30%. |
| Friday Night |
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.











