National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Sat, Jun-13-2026 2:36pm CDT
Cottage Grove
 
This
Afternoon
This Afternoon: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Monday

Monday: Sunny
Sunny
Tuesday

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

Wednesday: Showers And Thunderstorms
Showers And T-Storms
Thursday

Thursday: Chance Rain Showers then Partly Sunny
Chance Rain Showers then Partly Sunny
Juneteenth

Juneteenth: Sunny
Sunny
 
Hi 81 °F Hi 68 °F Hi 75 °F Hi 74 °F Hi 74 °F Hi 73 °F Hi 77 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Partly Cloudy then Slight Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
Tuesday
Night
Tuesday Night: Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Showers And T-Storms Likely then Slight Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Showers And Thunderstorms
Showers And T-Storms
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday
Night
Friday Night: Mostly Clear then Slight Chance Rain Showers
Mostly Clear then Slight Chance Rain Showers
 
Lo 55 °F Lo 50 °F Lo 53 °F Lo 52 °F Lo 56 °F Lo 53 °F Lo 56 °F  

 

This Afternoon
 
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. West wind around 15 mph, with gusts as high as 30 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 10pm, then a chance of showers and thunderstorms between 10pm and 4am. Mostly cloudy, with a low around 55. Northwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday
 
Mostly sunny, with a high near 68. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.
Sunday Night
 
Mostly clear, with a low around 50. West wind 5 to 15 mph.
Monday
 
Sunny, with a high near 75. West wind 5 to 10 mph.
Monday Night
 
A slight chance of rain showers after 1am. Partly cloudy, with a low around 53. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
 
A slight chance of rain showers before 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 74. West wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night
 
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 52. West wind 0 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Wednesday
 
A chance of rain showers between 7am and 1pm, then showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 80%.
Wednesday Night
 
Showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 80%.
Thursday
 
A chance of rain showers before 7am. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Thursday Night
 
Partly cloudy, with a low around 53.
Juneteenth
 
Sunny, with a high near 77.
Friday Night
 
A slight chance of rain showers after 1am. Mostly clear, with a low around 56. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.