| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Mar-15-2026 5:47am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Winter Storm Warning issued March 15 at 6:37AM CDT until March 16 at 4:00PM CDT
Winter Storm Warning issued March 14 at 11:04PM CDT until March 16 at 4:00PM CDT
| Today |
Rain. Cloudy. High near 44, with temperatures falling to around 38 in the afternoon. Northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. |
| Tonight |
Rain and a slight chance of sleet before 7pm, then snow and patchy blowing snow between 7pm and 8pm, then snow and freezing rain between 8pm and 9pm, then snow and patchy blowing snow and a slight chance of freezing rain between 9pm and 1am, then snow and blowing snow and a slight chance of sleet. Cloudy, with a low around 18. North wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible. Little or no ice accumulation expected. |
| Monday |
Snow and areas of blowing snow. Cloudy, with a high near 21. Wind chill values as low as 0. Northwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible. |
| Monday Night |
A chance of snow before 7pm. Partly cloudy, with a low around 3. Wind chill values as low as -8. Northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible. |
| Tuesday |
Mostly sunny, with a high near 23. West wind 5 to 10 mph. |
| Tuesday Night |
Snow after 7pm. Mostly cloudy. Low around 15, with temperatures rising to around 24 overnight. South wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible. |
| Wednesday |
Snow before 7am. Partly sunny, with a high near 42. South wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible. |
| Wednesday Night |
A slight chance of rain after 1am. Mostly cloudy, with a low around 30. Southwest wind around 5 mph. Chance of precipitation is 20%. |
| Thursday |
A slight chance of rain before 7am. Mostly sunny, with a high near 46. Chance of precipitation is 20%. |
| Thursday Night |
Mostly cloudy, with a low around 33. |
| Friday |
Mostly cloudy, with a high near 53. |
| Friday Night |
Mostly cloudy, with a low around 33. |
| Saturday |
Mostly sunny, with a high near 48. |
| Saturday Night |
Partly cloudy, with a low around 32. |
Forecast from NOAA-NWS for Cottage Grove, WI.