| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, May-12-2026 10:33am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Rain showers likely before 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Southwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 46. Northwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Mostly sunny, with a high near 63. Northwest wind around 15 mph, with gusts as high as 30 mph. |
| Wednesday Night |
Mostly clear, with a low around 39. North wind 0 to 15 mph. |
| Thursday |
Sunny, with a high near 69. East wind 0 to 5 mph. |
| Thursday Night |
Rain showers likely after 7pm. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Rain showers likely before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 53. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Saturday |
Sunny, with a high near 83. |
| Saturday Night |
A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 40%. |
| Sunday |
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%. |
| Sunday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. |
| Monday |
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%. |
| Monday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.