| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, May-16-2026 9:31am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny, with a high near 83. West wind 5 to 10 mph. |
| Tonight |
A chance of rain showers between 9pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
Rain showers likely before 10am, then showers and thunderstorms likely between 10am and 3pm. Mostly cloudy, with a high near 81. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
Showers and thunderstorms. Partly sunny, with a high near 83. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday Night |
Showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Tuesday |
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 46. Northwest wind 10 to 15 mph. Chance of precipitation is 40%. |
| Wednesday |
Partly sunny, with a high near 63. |
| Wednesday Night |
Partly cloudy, with a low around 40. |
| Thursday |
Mostly sunny, with a high near 65. |
| Thursday Night |
Partly cloudy, with a low around 43. |
| Friday |
Mostly sunny, with a high near 71. |
| Friday Night |
Partly cloudy, with a low around 48. |
Forecast from NOAA-NWS for Cottage Grove, WI.