| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Jun-27-2026 1:22pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 78. East wind around 10 mph. |
| Tonight |
Partly cloudy, with a low around 58. East wind 5 to 10 mph. |
| Sunday |
Isolated rain showers between 1pm and 2pm. Partly sunny, with a high near 82. Southeast wind 5 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday Night |
A slight chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 71. Southeast wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 92. South wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
Mostly clear, with a low around 75. Southwest wind 10 to 15 mph. |
| Tuesday |
Sunny, with a high near 94. Southwest wind 10 to 15 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Southwest wind 10 to 15 mph. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of showers and thunderstorms. Sunny, with a high near 91. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. Chance of precipitation is 20%. |
| Thursday |
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Sunny, with a high near 92. Chance of precipitation is 30%. |
| Thursday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then 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. Mostly sunny, with a high near 90. Chance of precipitation is 40%. |
| Friday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.