| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Aug-05-2026 9:06am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
A slight chance of rain showers before 11am, then a chance of showers and thunderstorms. Cloudy, with a high near 73. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A slight chance of showers and thunderstorms before 8pm, then areas of fog. Mostly cloudy, with a low around 57. Northwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Areas of fog before 7am. Mostly sunny, with a high near 80. Northeast wind around 0 mph. |
| Thursday Night |
Mostly clear, with a low around 59. South wind around 0 mph. |
| Friday |
Mostly sunny, with a high near 82. South wind 0 to 10 mph. |
| Friday Night |
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
Sunny, with a high near 81. West wind around 5 mph. |
| Saturday Night |
A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Sunday |
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%. |
| Sunday Night |
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%. |
| Monday |
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 60%. |
| Monday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. |
| Tuesday |
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%. |
| Tuesday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.