| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Jul-31-2026 11:31am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
A chance of rain showers before 1pm, then showers and thunderstorms. Cloudy. High near 77, with temperatures falling to around 69 in the afternoon. Southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight |
Showers and thunderstorms. Cloudy, with a low around 63. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
| Saturday |
Rain showers before 5pm. Cloudy, with a high near 74. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
| Saturday Night |
Mostly cloudy, with a low around 61. Northeast wind 10 to 15 mph. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
Mostly sunny, with a high near 78. North wind around 10 mph. |
| Sunday Night |
Mostly clear, with a low around 54. Northeast wind 0 to 5 mph. |
| Monday |
Sunny, with a high near 81. East wind 0 to 5 mph. |
| Monday Night |
Mostly clear, with a low around 58. Southeast wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 85. |
| Tuesday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%. |
| Wednesday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%. |
| Thursday |
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%. |
| Thursday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.