National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Sun, Jul-19-2026 3:32am CDT
Cottage Grove
 
  Sunday

Sunday: Areas Of Smoke
Areas Of Smoke
Monday

Monday: Areas Of Smoke then Patchy Smoke
Areas Of Smoke then Patchy Smoke
Tuesday

Tuesday: Slight Chance Rain Showers then Sunny
Slight Chance Rain Showers then Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Slight Chance Rain Showers then Partly Sunny
Slight Chance Rain Showers then Partly Sunny
Saturday

Saturday: Mostly Sunny
Mostly Sunny
  Hi 83 °F Hi 85 °F Hi 83 °F Hi 77 °F Hi 81 °F Hi 82 °F Hi 85 °F
 
Overnight

Overnight: Areas Of Smoke
Areas Of Smoke
Sunday
Night
Sunday Night: Patchy Smoke
Patchy Smoke
Monday
Night
Monday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Partly Cloudy then Slight Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
 
Lo 61 °F Lo 61 °F Lo 69 °F Lo 58 °F Lo 56 °F Lo 61 °F Lo 62 °F  

Air Quality Alert issued July 18 at 9:41AM CDT
 

Overnight
 
Areas of smoke. Partly cloudy, with a low around 61. Northeast wind around 0 mph.
Sunday
 
Areas of smoke. Mostly sunny, with a high near 83. East wind 0 to 5 mph.
Sunday Night
 
Patchy smoke. Mostly clear, with a low around 61. South wind 0 to 5 mph.
Monday
 
Areas of smoke before 1pm, then patchy smoke and a chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 85. Southwest wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday Night
 
Showers and thunderstorms likely between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. West wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
 
A slight chance of rain showers before 7am. Sunny, with a high near 83. Northwest wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night
 
Mostly clear, with a low around 58. North wind 5 to 15 mph.
Wednesday
 
Sunny, with a high near 77. North wind 5 to 10 mph.
Wednesday Night
 
Mostly clear, with a low around 56.
Thursday
 
Sunny, with a high near 81.
Thursday Night
 
A slight chance of rain showers after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Friday
 
A slight chance of rain showers before 7am. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Friday Night
 
Partly cloudy, with a low around 62.
Saturday
 
Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Cottage Grove, WI.