| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Aug-11-2026 2:41pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
A slight chance of rain showers after 4pm. Partly sunny, with a high near 81. Southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A slight chance of showers and thunderstorms before 8pm, then patchy fog. Mostly cloudy, with a low around 65. Southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Areas of fog before 9am, then a slight chance of rain showers between 9am and noon, then patchy smoke. Partly sunny, with a high near 83. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
Patchy smoke before 8pm, then patchy smoke and a slight chance of rain showers between 8pm and 10pm. Mostly cloudy, with a low around 64. Southeast wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday Night |
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Mostly sunny, with a high near 77. East wind 5 to 10 mph. |
| Friday Night |
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 61. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday |
Showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 80%. |
| Saturday Night |
Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. |
| Sunday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%. |
| Sunday Night |
Partly cloudy, with a low around 61. |
| Monday |
Mostly sunny, with a high near 78. |
| Monday Night |
Partly cloudy, with a low around 59. |
Forecast from NOAA-NWS for Cottage Grove, WI.