| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Jul-29-2026 8:32am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Patchy smoke after 5pm. Sunny, with a high near 85. Northeast wind around 0 mph. |
| Tonight |
Patchy smoke before 11pm. Mostly clear, with a low around 62. South wind around 0 mph. |
| Thursday |
Mostly sunny, with a high near 87. Southwest wind 0 to 5 mph. |
| Thursday Night |
Mostly cloudy, with a low around 64. Southwest wind around 5 mph. |
| Friday |
Rain showers between 7am and 4pm, then showers and thunderstorms. Cloudy, with a high near 76. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday Night |
Showers and thunderstorms. Mostly cloudy, with a low around 61. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible. |
| Saturday |
Rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 78. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday Night |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. Northeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
Mostly sunny, with a high near 81. |
| Sunday Night |
Mostly clear, with a low around 59. |
| Monday |
Sunny, with a high near 83. |
| Monday Night |
Mostly clear, with a low around 61. |
| Tuesday |
Sunny, with a high near 86. |
| Tuesday Night |
Partly cloudy, with a low around 64. |
Forecast from NOAA-NWS for Cottage Grove, WI.