| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, May-09-2026 10:46am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Scattered rain showers before 1pm. Partly sunny, with a high near 67. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. |
| Tonight |
Mostly clear, with a low around 38. Northwest wind 5 to 15 mph. |
| Sunday |
Mostly sunny, with a high near 60. Northwest wind 5 to 15 mph. |
| Sunday Night |
Areas of frost after 3am. Mostly clear, with a low around 36. North wind 0 to 10 mph. |
| Monday |
Areas of frost before 7am. Sunny, with a high near 60. North wind 0 to 5 mph. |
| Monday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 39. Southeast wind 0 to 10 mph. Chance of precipitation is 20%. |
| Tuesday |
Rain showers before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday Night |
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 45. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Mostly sunny, with a high near 63. |
| Wednesday Night |
Mostly clear, with a low around 41. |
| Thursday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 69. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Chance of precipitation is 30%. |
| Friday |
A chance of rain showers. Partly sunny, with a high near 77. Chance of precipitation is 30%. |
| Friday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 54. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.