| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Aug-01-2026 1:21pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
A chance of rain showers before 4pm. Mostly cloudy, with a high near 73. Northeast wind 10 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
Partly sunny, with a high near 77. North wind around 10 mph. |
| Sunday Night |
Mostly clear, with a low around 54. Northeast wind 0 to 10 mph. |
| Monday |
Sunny, with a high near 80. Northeast wind 0 to 5 mph. |
| Monday Night |
Mostly clear, with a low around 57. Southeast wind around 0 mph. |
| Tuesday |
Mostly sunny, with a high near 82. Southwest wind 0 to 5 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%. |
| Wednesday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%. |
| Thursday |
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%. |
| Friday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 83. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.