National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Fri, Jul-03-2026 2:37pm CDT
Cottage Grove
 
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Independence
Day
Independence Day: Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Slight Chance Showers And T-Storms then Showers And T-Storms Likely
Sunday

Sunday: Slight Chance Rain Showers
Slight Chance Rain Showers
Monday

Monday: Mostly Sunny
Mostly Sunny
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Thursday

Thursday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Hi 84 °F Hi 84 °F Hi 80 °F Hi 80 °F Hi 84 °F Hi 85 °F Hi 84 °F  
 
Tonight

Tonight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 68 °F Lo 65 °F Lo 60 °F Lo 60 °F Lo 63 °F Lo 66 °F Lo 66 °F  

 

This Afternoon
 
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight
 
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
Independence Day
 
A slight chance of showers and thunderstorms before noon, then showers and thunderstorms likely between noon and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
 
A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. North wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
 
A slight chance of rain showers. Partly sunny, with a high near 80. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night
 
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
 
Mostly sunny, with a high near 80. North wind around 5 mph.
Monday Night
 
Partly cloudy, with a low around 60. North wind 0 to 5 mph.
Tuesday
 
Mostly sunny, with a high near 84.
Tuesday Night
 
Partly cloudy, with a low around 63.
Wednesday
 
Mostly sunny, with a high near 85.
Wednesday Night
 
A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
 
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Thursday Night
 
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.