| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Jul-23-2026 1:34pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Partly sunny, with a high near 78. Southwest wind around 5 mph. |
| Tonight |
Mostly cloudy, with a low around 58. Southwest wind 0 to 5 mph. |
| Friday |
Mostly sunny, with a high near 79. South wind 0 to 10 mph. |
| Friday Night |
Partly cloudy, with a low around 61. South wind 5 to 10 mph. |
| Saturday |
Partly sunny, with a high near 86. Southwest wind 5 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 69. Southwest wind around 5 mph. |
| Sunday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Sunday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Monday |
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 50%. |
| Monday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 67. Chance of precipitation is 20%. |
| Tuesday |
Mostly sunny, with a high near 87. |
| Tuesday Night |
Mostly clear, with a low around 63. |
| Wednesday |
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.