| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Sep-20-2026 6:26am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Flood Watch issued September 20 at 7:09AM CDT until September 20 at 7:00AM CDT
| Today |
Patchy fog and isolated rain showers before 9am. Mostly cloudy, with a high near 68. Northeast wind 5 to 15 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tonight |
Mostly cloudy, with a low around 52. Northeast wind 10 to 15 mph. |
| Monday |
A slight chance of rain showers after 9am. Mostly cloudy, with a high near 63. Northeast wind 10 to 15 mph. Chance of precipitation is 20%. |
| Monday Night |
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 47. Northeast wind around 10 mph. Chance of precipitation is 20%. |
| 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 |
Mostly clear, with a low around 45. Northeast wind 5 to 10 mph. |
| Wednesday |
Mostly sunny, with a high near 65. Northeast wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 46. Northeast wind 0 to 5 mph. |
| Thursday |
Mostly sunny, with a high near 66. |
| Thursday Night |
Mostly cloudy, with a low around 47. |
| Friday |
Partly sunny, with a high near 68. |
| Friday Night |
Partly cloudy, with a low around 47. |
| Saturday |
Mostly sunny, with a high near 70. |
| Saturday Night |
Partly cloudy, with a low around 49. |
Forecast from NOAA-NWS for Cottage Grove, WI.