National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Thu, Jun-11-2026 6:32am CDT
Cottage Grove
 
Today

Today: Showers And Thunderstorms
Showers And T-Storms
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Mostly Sunny then Showers And Thunderstorms Likely
Mostly Sunny then Showers And T-Storms Likely
Sunday

Sunday: Slight Chance Rain Showers then Sunny
Slight Chance Rain Showers then Sunny
Monday

Monday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms
Tuesday

Tuesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday

Wednesday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
 
Hi 80 °F Hi 79 °F Hi 81 °F Hi 71 °F Hi 74 °F Hi 73 °F Hi 76 °F  
 
Tonight

Tonight: Showers And Thunderstorms then Partly Cloudy
Showers And T-Storms then Partly Cloudy
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms then Partly Cloudy
Chance Showers And T-Storms then Partly Cloudy
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 55 °F Lo 59 °F Lo 55 °F Lo 52 °F Lo 52 °F Lo 52 °F Lo 57 °F  

 

Today
 
Showers and thunderstorms after 10am. Some of the storms could be severe and produce heavy rain. Cloudy, with a high near 80. South wind 5 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
 
Showers and thunderstorms before 9pm. Some of the storms could be severe and produce heavy rain. Partly cloudy, with a low around 55. West wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday
 
Sunny, with a high near 79. West wind 10 to 15 mph.
Friday Night
 
Mostly clear, with a low around 59. Southwest wind 5 to 10 mph.
Saturday
 
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 81. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night
 
Showers and thunderstorms likely. Partly cloudy, with a low around 55. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday
 
A slight chance of rain showers before 7am. Sunny, with a high near 71. Northwest wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night
 
Mostly clear, with a low around 52. West wind 5 to 10 mph.
Monday
 
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 74. Chance of precipitation is 20%.
Monday Night
 
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Tuesday
 
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Tuesday Night
 
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Wednesday
 
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Wednesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.