| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Jul-27-2026 9:31am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Extreme Heat Warning issued July 27 at 9:06AM CDT until July 27 at 9:00PM CDT
Heat Advisory issued July 27 at 5:09AM CDT until July 27 at 9:00PM CDT
Dense Fog Advisory issued July 27 at 5:09AM CDT until July 27 at 8:00AM CDT
Heat Advisory issued July 27 at 3:07AM CDT until July 27 at 9:00PM CDT
Dense Fog Advisory issued July 27 at 3:07AM CDT until July 27 at 8:00AM CDT
| Today |
A slight chance of showers and thunderstorms between 1pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Southwest wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
Partly cloudy, with a low around 65. Northwest wind 10 to 15 mph. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
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 85. North wind 0 to 5 mph. |
| Wednesday Night |
Mostly clear, with a low around 63. Southeast wind 0 to 5 mph. |
| Thursday |
Mostly sunny, with a high near 88. Southwest wind 0 to 5 mph. |
| Thursday Night |
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 66. South wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 50%. |
| Friday Night |
A chance of showers and thunderstorms before 7pm, then 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 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%. |
| Saturday Night |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 62. Chance of precipitation is 20%. |
| Sunday |
Sunny, with a high near 83. |
| Sunday Night |
Mostly clear, with a low around 60. |
Forecast from NOAA-NWS for Cottage Grove, WI.



