| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
||||||||||||||||||||||||||||||||||||||||
| Updated: Fri, Sep-18-2026 9:52pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
Flood Watch issued September 18 at 9:49PM CDT until September 19 at 7:00PM CDT
Flood Watch issued September 18 at 6:11PM CDT until September 19 at 1:00PM CDT
| Tonight |
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 59. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
| Saturday |
Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 70. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible. |
| Saturday Night |
Showers and thunderstorms likely. Cloudy, with a low around 58. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible. |
| Sunday |
A chance of rain showers before 1pm. Mostly cloudy, with a high near 66. Northeast wind around 15 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday Night |
Mostly cloudy, with a low around 51. Northeast wind 10 to 15 mph. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A chance of rain showers after 7am. Mostly cloudy, with a high near 63. Northeast wind around 15 mph. Chance of precipitation is 30%. |
| Monday Night |
A chance of rain showers. Mostly cloudy, with a low around 47. Northeast wind 10 to 15 mph. Chance of precipitation is 30%. |
| Tuesday |
A slight chance of rain showers before 7am. Partly sunny, with a high near 62. Northeast wind 10 to 15 mph. Chance of precipitation is 20%. |
| Tuesday Night |
Partly cloudy, with a low around 46. |
| Wednesday |
Mostly sunny, with a high near 65. |
| Wednesday Night |
Partly cloudy, with a low around 48. |
| Thursday |
Mostly sunny, with a high near 69. |
| Thursday Night |
Partly cloudy, with a low around 49. |
| Friday |
Mostly sunny, with a high near 70. |
Forecast from NOAA-NWS for Cottage Grove, WI.