Cottage Grove, WI Weather

82°F

Cottage Grove, WI

Updated: Jul-26-2026 9:40pm

Navigation

External Links

Alerts

Style Options

National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI

Updated: Sun, Jul-26-2026 8:41pm CDT

Cottage Grove

	Monday Showers And T-Storms Likely then Mostly Sunny	Tuesday Mostly Sunny	Wednesday Sunny	Thursday Sunny	Friday Chance Showers And T-Storms	Saturday Chance Rain Showers	Sunday Sunny
	Hi 89 °F	Hi 82 °F	Hi 84 °F	Hi 86 °F	Hi 80 °F	Hi 84 °F	Hi 83 °F

Tonight Mostly Cloudy then Chance Showers And T-Storms	Monday Night Chance Showers And T-Storms then Partly Cloudy	Tuesday Night Mostly Clear	Wednesday Night Mostly Clear	Thursday Night Mostly Cloudy then Slight Chance Showers And T-Storms	Friday Night Chance Showers And T-Storms	Saturday Night Chance Showers And T-Storms then Mostly Clear
Lo 72 °F	Lo 65 °F	Lo 59 °F	Lo 62 °F	Lo 66 °F	Lo 64 °F	Lo 62 °F

Heat Advisory issued July 26 at 8:52PM CDT until July 26 at 9:00PM CDT

Tonight	A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday	Showers and thunderstorms likely before 8am, then a slight chance of showers and thunderstorms between 8am and 10am. Some of the storms could produce heavy rain. Mostly sunny, with a high near 89. Heat index values as high as 99. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night	A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 65. Northwest wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tuesday	Mostly sunny, with a high near 82. North wind 5 to 10 mph.
Tuesday Night	Mostly clear, with a low around 59. Northeast wind 0 to 5 mph.
Wednesday	Sunny, with a high near 84. Northeast wind 0 to 5 mph.
Wednesday Night	Mostly clear, with a low around 62. Southeast wind around 0 mph.
Thursday	Sunny, with a high near 86. Southwest wind 0 to 5 mph.
Thursday Night	A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.
Friday	A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Friday Night	A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Saturday	A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night	A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 62. Chance of precipitation is 30%.
Sunday	Sunny, with a high near 83.

Forecast from NOAA-NWS for Cottage Grove, WI.