National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Mon, Jun-01-2026 2:32pm CDT
Cottage Grove
 
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

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

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Sunday

Sunday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Hi 75 °F Hi 77 °F Hi 81 °F Hi 85 °F Hi 84 °F Hi 84 °F Hi 85 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday
Night
Thursday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Friday
Night
Friday Night: Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers And T-Storms Likely then Chance Showers And T-Storms
Saturday
Night
Saturday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Sunday
Night
Sunday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 49 °F Lo 48 °F Lo 56 °F Lo 63 °F Lo 63 °F Lo 61 °F Lo 63 °F  

 

This Afternoon
 
Mostly sunny, with a high near 75. Northeast wind around 5 mph.
Tonight
 
Mostly clear, with a low around 49. Northeast wind around 5 mph.
Tuesday
 
Sunny, with a high near 77. East wind 5 to 10 mph.
Tuesday Night
 
Mostly clear, with a low around 48. Southeast wind 0 to 10 mph.
Wednesday
 
Sunny, with a high near 81. South wind 0 to 5 mph.
Wednesday Night
 
Partly cloudy, with a low around 56. South wind around 5 mph.
Thursday
 
Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph.
Thursday Night
 
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Friday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Friday Night
 
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
 
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Saturday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Sunday
 
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.