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Cottage Grove, Wisconsin Weather Forecast
Cottage Grove, Wisconsin Weather
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Weather Forecast for Cottage Grove, Wisconsin : Dane County
Issued: 3:11 pm CST Dec 5, 2025 Latitude: 43.0761082 Longitude: -89.1995593 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
60% chance of snow on This Afternoon 70% chance of freezing rain & snow on Tonight Partly Sunny on Saturday 20% chance of snow on Sunday Mostly Cloudy on Monday 20% chance of snow on Tuesday 60% chance of snow on Wednesday 30% chance of snow on Thursday Partly Sunny on Friday
High: 26°F Low: 16°F High: 22°F High: 19°F High: 21°F High: 34°F High: 33°F High: 22°F High: 17°F
Low: 13°F Low: -1°F Low: 13°F Low: 23°F Low: 9°F Low: 6°F  
Snow Freezing Rain & Snow Partly Sunny Snow Mostly Cloudy Snow Snow Snow Partly Sunny
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Current Conditions at
MADISON - (KMSN)
25°
Cloudy
as of 3:53 PM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: MVFR
Wind Data
7 MPH
200° South
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
WATERTOWN - (KRYV)
25°
Feels like 14°F
Cloudy
as of 3:55 PM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.72 in.
Flight Rule: VFR
Wind Data
10 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 3100ft
Current Conditions at
JANESVILLE - (KJVL)
27°
Feels like 17°F
Cloudy
as of 3:45 PM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
9 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 3900ft
Current Conditions at
JUNEAU - (KUNU)
23°
Feels like 11°F
Cloudy
as of 4:00 PM CST
Rel. Humidity: 73%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.72 in.
Flight Rule: MVFR
Wind Data
13 MPH
200° South
Cloud Level(s): Broken at 2400ft, Solid Overcast at 3100ft
60% chance of snow This Afternoon This Afternoon... Snow likely, mainly after 5pm. Cloudy, with a high near 26. Southwest wind around 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
70% chance of freezing rain & snow Tonight Tonight... Snow likely, possibly mixing with freezing rain after 8pm, then gradually ending. Cloudy, with a low around 16. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 22. Northwest wind 5 to 10 mph becoming light north in the afternoon.
80% chance of snow Saturday Night Saturday Night... Snow, mainly after midnight. Low around 13. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
20% chance of snow Sunday Sunday... A 20 percent chance of snow before noon. Mostly sunny, with a high near 19. North wind 5 to 10 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -1. North wind around 5 mph becoming calm in the evening.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 21. Light and variable wind becoming south 5 to 10 mph in the afternoon.
60% chance of snow Monday Night Monday Night... Snow likely, mainly after midnight. Mostly cloudy, with a low around 13. South wind around 10 mph. Chance of precipitation is 60%.
20% chance of snow Tuesday Tuesday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 34.
80% chance of rain & snow Tuesday Night Tuesday Night... Rain and snow, becoming all snow after midnight. Low around 23. Chance of precipitation is 80%.
60% chance of snow Wednesday Wednesday... Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
30% chance of snow Wednesday Night Wednesday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 9.
30% chance of snow Thursday Thursday... A 30 percent chance of snow. Partly sunny, with a high near 22.
30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Partly Sunny on Friday Friday... Partly sunny, with a high near 17.
Current Radar Image


Sun Almanac for Cottage Grove, Wisconsin
Sunrise: 07:13 AM
Sunset: 4:22 PM
Civil Sunrise:06:41 AM
Civil Sunset: 4:54 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:31 AM
Astro Sunset: 6:04 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.