National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Wed, Jul-08-2026 6:22pm CDT
Cottage Grove
 
  Thursday

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

Friday: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
  Hi 81 °F Hi 82 °F Hi 84 °F Hi 85 °F Hi 88 °F Hi 89 °F Hi 86 °F
 
Tonight

Tonight: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
 
Lo 68 °F Lo 63 °F Lo 60 °F Lo 62 °F Lo 65 °F Lo 68 °F Lo 69 °F  

Severe Thunderstorm Watch issued July 8 at 2:01PM CDT until July 8 at 10:00PM CDT
 

Tonight
 
A chance of showers and thunderstorms between 8pm and 10pm, then showers and thunderstorms likely between 10pm and 2am, then a chance of showers and thunderstorms between 2am and 4am, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 68. South wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday
 
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. West wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night
 
A chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 63. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Friday
 
Mostly sunny, with a high near 82. Northeast wind around 5 mph.
Friday Night
 
Partly cloudy, with a low around 60. East wind 0 to 5 mph.
Saturday
 
Sunny, with a high near 84. Northeast wind 0 to 5 mph.
Saturday Night
 
Mostly clear, with a low around 62. East wind 0 to 5 mph.
Sunday
 
Sunny, with a high near 85. West wind 0 to 5 mph.
Sunday Night
 
Mostly clear, with a low around 65.
Monday
 
Sunny, with a high near 88.
Monday Night
 
Mostly clear, with a low around 68.
Tuesday
 
Sunny, with a high near 89.
Tuesday Night
 
Mostly clear, with a low around 69.
Wednesday
 
Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Cottage Grove, WI.