| 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 1:34pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Patchy smoke before 3pm. Partly sunny, with a high near 87. Southwest wind around 5 mph. |
| Tonight |
Mostly cloudy, with a low around 63. South wind 0 to 5 mph. |
| Friday |
A slight chance of rain showers between noon and 1pm, then showers and thunderstorms likely. Cloudy. High near 79, with temperatures falling to around 74 in the afternoon. Southeast wind 5 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 61. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
| Saturday |
Rain showers. Mostly cloudy, with a high near 76. Northeast wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
| Saturday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 59. Northeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
Mostly sunny, with a high near 79. Northeast wind around 10 mph. |
| Sunday Night |
Mostly clear, with a low around 55. Northeast wind 0 to 5 mph. |
| Monday |
Sunny, with a high near 81. |
| Monday Night |
Mostly clear, with a low around 60. |
| Tuesday |
Sunny, with a high near 85. |
| Tuesday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.