| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Apr-09-2026 6:17am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Mostly sunny, with a high near 59. West wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
Rain showers after 8pm. Cloudy, with a low around 40. North wind 0 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday |
Mostly sunny, with a high near 56. North wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday Night |
Mostly clear, with a low around 32. Northeast wind 0 to 5 mph. |
| Saturday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 58. Southeast wind 0 to 10 mph. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy. Low around 48, with temperatures rising to around 53 overnight. Southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday |
Showers and thunderstorms likely. Mostly cloudy, with a high near 72. South 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. |
| Sunday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 50%. |
| Monday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%. |
| Tuesday |
Showers and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 80%. |
| Tuesday Night |
Showers and thunderstorms. Mostly cloudy, with a low around 44. Chance of precipitation is 80%. |
| Wednesday |
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 61. Chance of precipitation is 60%. |
| Wednesday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.