| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Jul-30-2026 8:42am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Patchy smoke between noon and 2pm. Mostly sunny, with a high near 87. Southwest wind around 5 mph. |
| Tonight |
Mostly cloudy, with a low around 64. South wind 0 to 5 mph. |
| Friday |
Showers and thunderstorms likely after 1pm. Cloudy, with a high near 75. Southeast wind 0 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday Night |
Showers and thunderstorms. Cloudy, with a low around 63. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible. |
| Saturday |
Rain showers likely before 1pm. Partly sunny, with a high near 79. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday Night |
Mostly clear, with a low around 59. Northeast wind around 5 mph. |
| Sunday |
Sunny, with a high near 81. Northeast wind 5 to 10 mph. |
| Sunday Night |
Mostly clear, with a low around 56. East wind 0 to 5 mph. |
| Monday |
Sunny, with a high near 84. |
| Monday Night |
Mostly clear, with a low around 61. |
| Tuesday |
Sunny, with a high near 86. |
| Tuesday Night |
A chance of rain showers after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 30%. |
| Wednesday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%. |
| Wednesday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.