| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Jun-28-2026 2:41pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Extreme Heat Warning issued June 28 at 3:12PM CDT until June 30 at 7:00PM CDT
Special Weather Statement issued June 28 at 2:35PM CDT
Extreme Heat Warning issued June 28 at 11:55AM CDT until June 30 at 7:00PM CDT
| This Afternoon |
A chance of rain showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm. Mostly cloudy, with a high near 82. Southeast wind around 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A slight chance of showers and thunderstorms between 8pm and 5am. Mostly cloudy, with a low around 72. Southeast wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 30 mph. |
| Monday Night |
Mostly clear, with a low around 75. Heat index values as high as 102. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Tuesday |
Sunny, with a high near 93. Southwest wind 10 to 15 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 74. Southwest wind 10 to 15 mph. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of rain showers before 7am. Sunny, with a high near 94. Southwest wind 10 to 15 mph. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Southwest wind around 10 mph. Chance of precipitation is 20%. |
| Thursday |
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Chance of precipitation is 20%. |
| Thursday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%. |
| Friday |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%. |
| Friday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 40%. |
| Independence Day |
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%. |
| Saturday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.