| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Jun-29-2026 2:36pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Extreme Heat Warning issued June 29 at 1:04PM CDT until July 1 at 7:00PM CDT
| This Afternoon |
Sunny, with a high near 94. Heat index values as high as 105. South wind around 15 mph, with gusts as high as 30 mph. |
| Tonight |
A slight chance of rain showers between 3am and 4am. Partly cloudy, with a low around 76. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. |
| Tuesday |
Mostly sunny, with a high near 93. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Tuesday Night |
A chance of showers and thunderstorms between 10pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 75. Heat index values as high as 103. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
A chance of rain showers before 7am. Sunny, with a high near 92. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. |
| Thursday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday |
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 70%. |
| Friday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 50%. |
| Independence Day |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 50%. |
| Saturday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%. |
| Sunday |
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 60%. |
| Sunday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.


