| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
||||||||||||||||||||||||||||||||||||||||
| Updated: Wed, Jul-15-2026 9:12am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
Heat Advisory issued July 15 at 5:10AM CDT until July 15 at 8:00PM CDT
Air Quality Alert issued July 14 at 11:40AM CDT
| Today |
Mostly sunny, with a high near 94. Heat index values as high as 100. North wind around 5 mph. |
| Tonight |
Patchy smoke after 4am. Mostly cloudy, with a low around 70. Heat index values as high as 99. East wind around 5 mph. |
| Thursday |
Areas of smoke before 10am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 0 to 5 mph. Chance of precipitation is 40%. |
| Friday Night |
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 40%. |
| Saturday |
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. West wind 5 to 10 mph. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 65. North wind 0 to 10 mph. Chance of precipitation is 20%. |
| Sunday |
Sunny, with a high near 86. |
| Sunday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 30%. |
| Monday |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%. |
| Monday Night |
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 63. Chance of precipitation is 30%. |
| Tuesday |
Sunny, with a high near 80. |
| Tuesday Night |
Partly cloudy, with a low around 58. |
Forecast from NOAA-NWS for Cottage Grove, WI.





