| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Aug-09-2026 10:46am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Showers and thunderstorms before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm. Mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight |
A slight chance of showers and thunderstorms before 11pm, then patchy fog. Mostly cloudy, with a low around 66. Northeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday |
Areas of fog before 9am. Partly sunny, with a high near 82. Southeast wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
Patchy fog between 3am and 4am, then patchy fog and a slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
Patchy fog and a slight chance of showers and thunderstorms before 7am, then a chance of rain showers and patchy fog between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. East wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Northwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. North wind 0 to 5 mph. Chance of precipitation is 20%. |
| Thursday |
Partly sunny, with a high near 76. |
| Thursday Night |
Mostly cloudy, with a low around 57. |
| Friday |
A slight chance of rain showers after 7am. Mostly sunny, with a high near 74. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 40%. |
| Saturday |
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 40%. |
| Saturday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.