National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Mon, Mar-16-2026 8:52am CDT
Cottage Grove
 
Today

Today: Snow And Areas Of Blowing Snow
Snow And Areas Of Blowing Snow
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Light Snow then Mostly Cloudy
Light Snow then Mostly Cloudy
Thursday

Thursday: Chance Light Rain then Mostly Sunny
Chance Light Rain then Mostly Sunny
Friday

Friday: Mostly Cloudy
Mostly Cloudy
Saturday

Saturday: Partly Sunny
Partly Sunny
Sunday

Sunday: Partly Sunny
Partly Sunny
 
Hi 23 °F Hi 22 °F Hi 41 °F Hi 44 °F Hi 51 °F Hi 53 °F Hi 50 °F  
 
Tonight

Tonight: Patchy Blowing Snow then Mostly Cloudy
Patchy Blowing Snow then Mostly Cloudy
Tuesday
Night
Tuesday Night: Light Snow
Light Snow
Wednesday
Night
Wednesday Night: Chance Light Rain
Chance Light Rain
Thursday
Night
Thursday Night: Mostly Cloudy
Mostly Cloudy
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy
Saturday
Night
Saturday Night: Mostly Cloudy
Mostly Cloudy
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
 
Lo -1 °F Lo 16 °F Lo 29 °F Lo 31 °F Lo 35 °F Lo 32 °F Lo 26 °F  

Blizzard Warning issued March 16 at 7:15AM CDT until March 16 at 4:00PM CDT
Blizzard Warning issued March 16 at 1:49AM CDT until March 16 at 4:00PM CDT
 

Today
 
Snow and areas of blowing snow before 3pm, then patchy blowing snow and a slight chance of snow. Cloudy, with a high near 23. Northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tonight
 
Patchy blowing snow before 7pm. Mostly cloudy, with a low around -1. Wind chill values as low as -12. Northwest wind 10 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than half an inch possible.
Tuesday
 
Mostly sunny, with a high near 22. Wind chill values as low as -14. West wind 5 to 10 mph.
Tuesday Night
 
Snow after 7pm. Cloudy, with a low around 16. South wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
 
Snow before 7am. Mostly cloudy, with a high near 41. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
 
A chance of rain after 7pm. Mostly cloudy, with a low around 29. Southwest wind around 5 mph. Chance of precipitation is 30%.
Thursday
 
A chance of rain before 7am. Mostly sunny, with a high near 44. West wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
 
Mostly cloudy, with a low around 31. West wind around 5 mph.
Friday
 
Mostly cloudy, with a high near 51.
Friday Night
 
Mostly cloudy, with a low around 35.
Saturday
 
Partly sunny, with a high near 53.
Saturday Night
 
Mostly cloudy, with a low around 32.
Sunday
 
Partly sunny, with a high near 50.
Sunday Night
 
Mostly cloudy, with a low around 26.

 

Forecast from NOAA-NWS for Cottage Grove, WI.