National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Tue, Jun-02-2026 2:37pm CDT
Cottage Grove
 
This
Afternoon
This Afternoon: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Monday

Monday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
 
Hi 77 °F Hi 82 °F Hi 86 °F Hi 84 °F Hi 85 °F Hi 83 °F Hi 87 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday
Night
Thursday Night: Mostly Cloudy then Chance Rain Showers
Mostly Cloudy then Chance Rain Showers
Friday
Night
Friday Night: Showers And Thunderstorms
Showers And T-Storms
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday
Night
Monday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
 
Lo 49 °F Lo 57 °F Lo 64 °F Lo 63 °F Lo 60 °F Lo 60 °F Lo 63 °F  

 

This Afternoon
 
Sunny, with a high near 77. East wind around 10 mph.
Tonight
 
Mostly clear, with a low around 49. Southeast wind 0 to 10 mph.
Wednesday
 
Sunny, with a high near 82. South wind 0 to 5 mph.
Wednesday Night
 
Partly cloudy, with a low around 57. South wind around 5 mph.
Thursday
 
Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph.
Thursday Night
 
A chance of rain showers after 1am. Mostly cloudy, with a low around 64. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Friday
 
Rain showers likely before 10am, then showers and thunderstorms likely. Partly sunny, with a high near 84. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Friday Night
 
Showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
 
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Saturday Night
 
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
 
Mostly sunny, with a high near 83.
Sunday Night
 
Partly cloudy, with a low around 60.
Monday
 
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Monday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.