| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Aug-14-2026 3:32am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Special Weather Statement issued August 14 at 3:44AM CDT
| Overnight |
Patchy fog. Mostly cloudy, with a low around 63. Northeast wind around 5 mph. |
| Friday |
Patchy fog before 8am. Partly sunny, with a high near 82. East wind 5 to 10 mph. |
| Friday Night |
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday |
Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Cloudy, with a high near 82. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday Night |
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 68. Northwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. Northwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday Night |
Mostly clear, with a low around 61. North wind 5 to 10 mph. |
| Monday |
Sunny, with a high near 79. Northwest wind 0 to 5 mph. |
| Monday Night |
Mostly clear, with a low around 59. |
| Tuesday |
Mostly sunny, with a high near 80. |
| Tuesday Night |
A chance of rain showers between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. |
| Wednesday |
Showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 70%. |
| Wednesday Night |
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%. |
| Thursday |
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 74. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.