National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Sun, Jul-05-2026 3:16pm CDT
Cottage Grove
 
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Thursday

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

Friday: Chance Rain Showers
Chance Rain Showers
Saturday

Saturday: Mostly Sunny
Mostly Sunny
 
Hi 81 °F Hi 82 °F Hi 84 °F Hi 85 °F Hi 82 °F Hi 80 °F Hi 83 °F  
 
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Mostly Clear
Slight Chance Showers And T-Storms then Mostly Clear
Monday
Night
Monday Night: Clear
Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday
Night
Thursday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
 
Lo 59 °F Lo 57 °F Lo 63 °F Lo 67 °F Lo 61 °F Lo 60 °F Lo 61 °F  

 

This Afternoon
 
A slight chance of showers and thunderstorms. Partly sunny, with a high near 81. Northeast wind around 10 mph. Chance of precipitation is 20%.
Tonight
 
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 59. Northeast wind 0 to 10 mph. Chance of precipitation is 20%.
Monday
 
Sunny, with a high near 82. Northeast wind around 5 mph.
Monday Night
 
Clear, with a low around 57. Northeast wind 0 to 5 mph.
Tuesday
 
Sunny, with a high near 84. West wind around 0 mph.
Tuesday Night
 
Mostly clear, with a low around 63. Southwest wind around 0 mph.
Wednesday
 
Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.
Wednesday Night
 
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Thursday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
 
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday
 
A chance of rain showers before 1pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
 
Partly cloudy, with a low around 60.
Saturday
 
Mostly sunny, with a high near 83.
Saturday Night
 
Partly cloudy, with a low around 61.

 

Forecast from NOAA-NWS for Cottage Grove, WI.