National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Fri, Jun-05-2026 9:01am CDT
Cottage Grove
 
Today

Today: Showers And Thunderstorms
Showers And T-Storms
Saturday

Saturday: Mostly Sunny
Mostly 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: Slight Chance Rain Showers then Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
Thursday

Thursday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And T-Storms
 
Hi 80 °F Hi 85 °F Hi 84 °F Hi 82 °F Hi 88 °F Hi 93 °F Hi 95 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Monday
Night
Monday Night: Showers And Thunderstorms
Showers And T-Storms
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Partly Cloudy then Slight Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
Thursday
Night
Thursday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
 
Lo 63 °F Lo 61 °F Lo 63 °F Lo 66 °F Lo 68 °F Lo 72 °F Lo 72 °F  

 

Today
 
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight
 
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Saturday
 
Mostly sunny, with a high near 85. Northwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
Saturday Night
 
Mostly clear, with a low around 61. East wind 0 to 5 mph.
Sunday
 
Partly sunny, with a high near 84. East wind 5 to 10 mph.
Sunday 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. East wind 5 to 10 mph. Chance of precipitation is 30%.
Monday
 
Showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind 5 to 15 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 66. 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 showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Tuesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
 
A slight chance of rain showers before 7am. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Wednesday Night
 
A slight chance of rain showers after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Thursday
 
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 95. Chance of precipitation is 20%.
Thursday Night
 
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.