| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Jul-14-2026 6:31am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued July 14 at 5:18AM CDT until July 15 at 8:00PM CDT
| Today |
Sunny, with a high near 95. Heat index values as high as 99. Northwest wind around 5 mph. |
| Tonight |
Clear, with a low around 70. Heat index values as high as 98. West wind around 5 mph. |
| Wednesday |
Sunny, with a high near 96. Heat index values as high as 102. Northwest wind around 5 mph. |
| Wednesday Night |
Partly cloudy, with a low around 70. Heat index values as high as 99. East wind 0 to 5 mph. |
| Thursday |
Sunny, with a high near 92. Northeast wind 0 to 5 mph. |
| Thursday Night |
Mostly clear, with a low around 68. East wind 0 to 5 mph. |
| Friday |
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%. |
| Saturday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 66. Chance of precipitation is 30%. |
| Sunday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%. |
| Sunday Night |
A slight chance of showers and thunderstorms. Mostly clear, with a low around 64. Chance of precipitation is 20%. |
| Monday |
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%. |
| Monday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.