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Aztalan, Wisconsin Weather Forecast
Aztalan, Wisconsin Weather
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Weather Forecast for Aztalan, Wisconsin : Jefferson County
Issued: 12:36 am CST Dec 31, 2025 Latitude: 43.0727787 Longitude: -88.8623285 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday New Year's Day Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight 60% chance of snow on Wednesday Partly Sunny on New Year's Day Mostly Sunny on Friday Partly Sunny on Saturday Mostly Cloudy on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 19°F High: 26°F High: 17°F High: 20°F High: 21°F High: 29°F High: 30°F High: 27°F
Low: 4 °F Low: 10°F Low: 7 °F Low: 12°F Low: 19°F Low: 16°F  
Cloudy Snow Partly Sunny Mostly Sunny Partly Sunny Mostly Cloudy Partly Sunny Partly Sunny
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Current Conditions at
WATERTOWN - (KRYV)
23°
Cloudy
as of 12:35 AM CST
Rel. Humidity: 100%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: IFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
MADISON - (KMSN)
25°
Cloudy
as of 11:53 PM CST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: IFR
Wind Data
6 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
JUNEAU - (KUNU)
21°
Cloudy
as of 12:35 AM CST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: IFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 800ft
Current Conditions at
WAUKESHA - (KUES)
23°
Feels like 13°F
Cloudy
as of 12:35 AM CST
Rel. Humidity: 92%
Dew Point: 21°F
Visibility: 7 Miles
Pressure: 29.88 in.
Flight Rule: IFR
Wind Data
9 MPH
290° West
Cloud Level(s): Solid Overcast at 500ft
Cloudy on Overnight Overnight... Cloudy, with a low around 19. Northwest wind 5 to 10 mph.

60% chance of snow Wednesday Wednesday... Snow likely, mainly after noon. Cloudy, with a high near 26. West wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 4. Wind chill values between -5 and zero. Northwest wind 5 to 15 mph.

Partly Sunny on New Year's Day New Year's Day... Partly sunny, with a high near 17. Wind chill values between -5 and 5. West wind around 5 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 10. West wind around 5 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 20. Northwest wind around 5 mph.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm in the evening.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 21. Calm wind becoming west around 5 mph.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 12.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 29.

20% chance of snow Sunday Night Sunday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 19.

Partly Sunny on Monday Monday... Partly sunny, with a high near 30.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 16.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 27.

Current Radar Image


Sun Almanac for Aztalan, Wisconsin
Sunrise: 07:27 AM
Sunset: 4:30 PM
Civil Sunrise:06:55 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:13 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.