| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Aug-16-2026 8:47am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly sunny, with a high near 83. Northwest wind around 10 mph. |
| Tonight |
Partly cloudy, with a low around 61. North wind 0 to 10 mph. |
| Monday |
Sunny, with a high near 81. Northwest wind 0 to 5 mph. |
| Monday Night |
Partly cloudy, with a low around 63. Southwest wind around 5 mph. |
| Tuesday |
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
A chance of rain showers before 1pm. Mostly sunny, with a high near 76. North wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday Night |
Mostly clear, with a low around 55. Southwest wind 0 to 5 mph. |
| Thursday |
Mostly sunny, with a high near 77. |
| Thursday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 58. Chance of precipitation is 20%. |
| Friday |
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%. |
| Saturday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 79. Chance of precipitation is 20%. |
| Saturday Night |
Partly cloudy, with a low around 59. |
Forecast from NOAA-NWS for Cottage Grove, WI.