National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Sat, Jul-04-2026 2:53pm CDT
Cottage Grove
 
Independence
Day
Independence Day: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday

Sunday: Slight Chance Rain Showers
Slight Chance Rain Showers
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Thursday

Thursday: Rain Showers Likely then Chance Showers And Thunderstorms
Rain Showers Likely then Chance Showers And T-Storms
Friday

Friday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
 
Hi 81 °F Hi 81 °F Hi 83 °F Hi 85 °F Hi 86 °F Hi 83 °F Hi 82 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Slight Chance Showers And T-Storms then Showers And T-Storms Likely
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
 
Lo 63 °F Lo 59 °F Lo 59 °F Lo 64 °F Lo 66 °F Lo 62 °F Lo 60 °F  

 

Independence Day
 
A chance of showers and thunderstorms. Cloudy, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tonight
 
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am. Mostly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Sunday
 
A slight chance of rain showers between 11am and 4pm. Mostly cloudy, with a high near 81. Northeast wind 5 to 10 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 59. Northeast wind 0 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
Monday
 
Sunny, with a high near 83. Northeast wind around 5 mph.
Monday Night
 
Mostly clear, with a low around 59. East wind 0 to 5 mph.
Tuesday
 
Sunny, with a high near 85. West wind around 0 mph.
Tuesday Night
 
Mostly clear, with a low around 64. Southwest wind 0 to 5 mph.
Wednesday
 
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Wednesday Night
 
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Thursday
 
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Thursday Night
 
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Friday
 
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Friday Night
 
Partly cloudy, with a low around 60.

 

Forecast from NOAA-NWS for Cottage Grove, WI.