| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Nov-01-2026 1:36am CST | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Cloudy, with a low around 47. Southeast wind around 0 mph. |
| Sunday |
Partly sunny, with a high near 64. Southeast wind 0 to 5 mph. |
| Sunday Night |
Mostly cloudy, with a low around 50. South wind around 5 mph. |
| Monday |
Rain showers likely after 8am. Cloudy, with a high near 64. Southeast wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
Rain showers before 9pm, then showers and thunderstorms. Cloudy. Low around 56, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
Rain showers. Mostly cloudy, with a high near 70. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday Night |
Rain showers. Mostly cloudy, with a low around 52. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday |
Rain showers likely. Mostly cloudy. High near 63, with temperatures falling to around 58 in the afternoon. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 30%. |
| Thursday |
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 40%. |
| Thursday Night |
A slight chance of rain before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 20%. |
| Friday |
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 30%. |
| Friday Night |
Mostly cloudy, with a low around 39. |
| Saturday |
A slight chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.