National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Wed, Jul-15-2026 8:36pm CDT
Cottage Grove
 
  Thursday

Thursday: Areas Of Smoke then Scattered Showers And Thunderstorms
Areas Of Smoke then Scattered Showers And T-Storms
Friday

Friday: Areas Of Smoke then Chance Showers And Thunderstorms
Areas Of Smoke then Chance Showers And T-Storms
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

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

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
  Hi 89 °F Hi 89 °F Hi 89 °F Hi 85 °F Hi 87 °F Hi 82 °F Hi 79 °F
 
Tonight

Tonight: Mostly Cloudy then Patchy Smoke
Mostly Cloudy then Patchy Smoke
Thursday
Night
Thursday Night: Isolated Showers And Thunderstorms then Areas Of Smoke
Isolated Showers And T-Storms then Areas Of Smoke
Friday
Night
Friday Night: Chance Showers And Thunderstorms then Mostly Clear
Chance Showers And T-Storms then Mostly Clear
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Partly Cloudy then Chance Rain Showers
Partly Cloudy then Chance Rain Showers
Monday
Night
Monday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
 
Lo 70 °F Lo 67 °F Lo 71 °F Lo 63 °F Lo 65 °F Lo 65 °F Lo 58 °F  

Air Quality Alert issued July 14 at 11:40AM CDT
 

Tonight
 
Patchy smoke after 4am. Mostly cloudy, with a low around 70. East wind 0 to 5 mph.
Thursday
 
Areas of smoke before 10am, then scattered showers and thunderstorms. Partly sunny, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night
 
Isolated showers and thunderstorms before 9pm, then areas of smoke and isolated showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Friday
 
Areas of smoke before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind 0 to 5 mph. Chance of precipitation is 30%.
Friday Night
 
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
 
Sunny, with a high near 89. Northwest wind 10 to 15 mph.
Saturday Night
 
Mostly clear, with a low around 63. Northeast wind 0 to 10 mph.
Sunday
 
Sunny, with a high near 85. East wind 0 to 5 mph.
Sunday Night
 
A chance of rain showers after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
 
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Monday Night
 
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
 
Sunny, with a high near 82.
Tuesday Night
 
Mostly clear, with a low around 58.
Wednesday
 
Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Cottage Grove, WI.