| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, May-07-2026 1:21am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Frost Advisory issued May 7 at 12:38AM CDT until May 7 at 8:00AM CDT
| Overnight |
Widespread frost after 2am. Mostly clear, with a low around 33. West wind 0 to 5 mph. |
| Thursday |
Widespread frost before 7am, then a slight chance of rain showers between noon and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm. Partly sunny, with a high near 59. West wind 5 to 10 mph. Chance of precipitation is 30%. |
| Thursday Night |
Areas of frost after 5am. Mostly clear, with a low around 36. Northwest wind 0 to 10 mph. |
| Friday |
Areas of frost before 7am. Mostly sunny, with a high near 65. Southwest wind 0 to 10 mph. |
| Friday Night |
Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph. |
| Saturday |
A slight chance of rain showers after 7am. Mostly sunny, with a high near 68. West wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 40. Northwest wind 5 to 15 mph. Chance of precipitation is 20%. |
| Sunday |
Mostly sunny, with a high near 60. Northwest wind 5 to 15 mph. |
| Sunday Night |
Mostly clear, with a low around 37. |
| Monday |
Sunny, with a high near 62. |
| Monday Night |
A chance of rain showers after 1am. Partly cloudy, with a low around 41. Chance of precipitation is 30%. |
| Tuesday |
Rain showers likely. Partly sunny, with a high near 64. Chance of precipitation is 60%. |
| Tuesday Night |
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Chance of precipitation is 50%. |
| Wednesday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 68. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.








