National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Mon, Jun-08-2026 2:37am CDT
Cottage Grove
 
  Monday

Monday: Chance Showers And Thunderstorms then Showers And Thunderstorms
Chance Showers And T-Storms then Showers And T-Storms
Tuesday

Tuesday: Partly Sunny
Partly Sunny
Wednesday

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

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

Friday: Sunny
Sunny
Saturday

Saturday: Chance Rain Showers then Slight Chance Showers And Thunderstorms
Chance Rain Showers then Slight Chance Showers And T-Storms
Sunday

Sunday: Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Chance Showers And T-Storms then Slight Chance Showers And T-Storms
  Hi 82 °F Hi 86 °F Hi 91 °F Hi 84 °F Hi 84 °F Hi 82 °F Hi 78 °F
 
Overnight

Overnight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday
Night
Monday Night: Showers And Thunderstorms
Showers And T-Storms
Tuesday
Night
Tuesday Night: Partly Cloudy then Showers And Thunderstorms Likely
Partly Cloudy then Showers And T-Storms Likely
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms then Showers And Thunderstorms
Chance Showers And T-Storms then Showers And T-Storms
Thursday
Night
Thursday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 63 °F Lo 65 °F Lo 67 °F Lo 67 °F Lo 60 °F Lo 61 °F Lo 59 °F  

 

Overnight
 
A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Monday
 
A chance of showers and thunderstorms before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night
 
Showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms between 3am and 4am. Mostly cloudy, with a low around 65. Southeast wind 0 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
 
Partly sunny, with a high near 86. Northwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night
 
Showers and thunderstorms likely after 1am. Partly cloudy, with a low around 67. East wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Wednesday
 
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night
 
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
 
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 84. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
 
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
 
Sunny, with a high near 84.
Friday Night
 
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Saturday
 
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
 
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
 
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.