National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Sat, Jun-06-2026 1:22pm CDT
Cottage Grove
 
This
Afternoon
This Afternoon: Sunny
Sunny
Sunday

Sunday: Partly Sunny
Partly Sunny
Monday

Monday: Showers And Thunderstorms
Showers And T-Storms
Tuesday

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

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

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

Friday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And T-Storms
 
Hi 84 °F Hi 82 °F Hi 81 °F Hi 87 °F Hi 93 °F Hi 90 °F Hi 87 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Cloudy then Slight Chance Showers And Thunderstorms
Mostly Cloudy then Slight Chance Showers And T-Storms
Monday
Night
Monday Night: Showers And Thunderstorms
Showers And T-Storms
Tuesday
Night
Tuesday Night: Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms then Chance Showers And T-Storms
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
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 61 °F Lo 62 °F Lo 65 °F Lo 69 °F Lo 71 °F Lo 66 °F Lo 62 °F  

 

This Afternoon
 
Sunny, with a high near 84. North wind around 5 mph.
Tonight
 
Mostly clear, with a low around 61. East wind 0 to 5 mph.
Sunday
 
Partly sunny, with a high near 82. East wind 5 to 15 mph.
Sunday Night
 
A slight chance of showers and thunderstorms between 1am and 4am. Mostly cloudy, with a low around 62. East wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Monday
 
A chance of rain showers between 7am and 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday Night
 
Showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Tuesday
 
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night
 
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
 
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Wednesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 50%.
Thursday
 
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
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 50%.
Friday
 
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Friday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.