National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Mon, May-04-2026 2:37pm CDT
Cottage Grove
 
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Tuesday

Tuesday: Partly Sunny
Partly Sunny
Wednesday

Wednesday: Areas Of Frost then Partly Sunny
Areas Of Frost then Partly Sunny
Thursday

Thursday: Areas Of Frost then Slight Chance Showers And Thunderstorms
Areas Of Frost then Slight Chance Showers And T-Storms
Friday

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

Saturday: Sunny
Sunny
Sunday

Sunday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And T-Storms
 
Hi 76 °F Hi 57 °F Hi 55 °F Hi 58 °F Hi 63 °F Hi 67 °F Hi 65 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Tuesday
Night
Tuesday Night: Mostly Cloudy then Areas Of Frost
Mostly Cloudy then Areas Of Frost
Wednesday
Night
Wednesday Night: Partly Cloudy then Areas Of Frost
Partly Cloudy then Areas Of Frost
Thursday
Night
Thursday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Friday
Night
Friday Night: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday
Night
Sunday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
 
Lo 41 °F Lo 36 °F Lo 34 °F Lo 40 °F Lo 40 °F Lo 45 °F Lo 42 °F  

Special Weather Statement issued May 4 at 1:33AM CDT
 

This Afternoon
 
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 76. West wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight
 
A chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 41. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tuesday
 
Partly sunny, with a high near 57. Northwest wind 5 to 10 mph.
Tuesday Night
 
Areas of frost after 5am. Mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph.
Wednesday
 
Areas of frost before 7am. Partly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Wednesday Night
 
Areas of frost after 2am. Partly cloudy, with a low around 34. Northwest wind 0 to 5 mph.
Thursday
 
Areas of frost before 8am, then a slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 58. West wind 0 to 10 mph. Chance of precipitation is 20%.
Thursday Night
 
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 40. Southwest wind around 5 mph. Chance of precipitation is 20%.
Friday
 
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 63. Chance of precipitation is 20%.
Friday Night
 
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 40. Chance of precipitation is 20%.
Saturday
 
Sunny, with a high near 67.
Saturday Night
 
Partly cloudy, with a low around 45.
Sunday
 
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 65. Chance of precipitation is 20%.
Sunday Night
 
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.