| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Aug-12-2026 5:46pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Patchy smoke between 10pm and 4am, then patchy fog and patchy smoke. Partly cloudy, with a low around 65. Northeast wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Areas of fog and patchy smoke before 7am, then rain showers likely and areas of fog. Mostly cloudy, with a high near 77. Southeast wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday Night |
A chance of rain showers before 1am, then a chance of rain showers and patchy fog. Mostly cloudy, with a low around 63. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday |
A chance of rain showers before 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 79. East wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday Night |
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday |
A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday Night |
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Southwest wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday |
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday Night |
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%. |
| Monday |
Mostly sunny, with a high near 77. |
| Monday Night |
Partly cloudy, with a low around 60. |
| Tuesday |
Mostly sunny, with a high near 79. |
| Tuesday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.