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Aztalan, Wisconsin Weather Forecast
Aztalan, Wisconsin Weather
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Weather Forecast for Aztalan, Wisconsin : Jefferson County
Issued: 9:02 am CST Dec 30, 2025 Latitude: 43.0727787 Longitude: -88.8623285 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday New Year's Day Friday Saturday Sunday Monday
60% chance of snow on Today 50% chance of snow on Tonight 60% chance of snow on Wednesday Partly Sunny on New Year's Day Mostly Sunny on Friday Partly Sunny on Saturday Partly Sunny on Sunday Mostly Sunny on Monday
High: 23°F Low: 19°F High: 26°F High: 17°F High: 22°F High: 24°F High: 31°F High: 31°F
Low: 2 °F Low: 9 °F Low: 8 °F Low: 15°F Low: 19°F  
Snow Snow Snow Partly Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
WATERTOWN - (KRYV)
10°
Cloudy
as of 8:55 AM CST
Rel. Humidity: 72%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
7 MPH
280° West
Cloud Level(s): Solid Overcast at 4800ft
Current Conditions at
MADISON - (KMSN)
10°
Cloudy
as of 8:53 AM CST
Rel. Humidity: 66%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
6 MPH
280° West
Cloud Level(s): Scattered at 4900ft, Solid Overcast at 7000ft
Current Conditions at
JUNEAU - (KUNU)
10°
Cloudy
as of 8:57 AM CST
Rel. Humidity: 72%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
270° West
Cloud Level(s): Broken at 5000ft, Solid Overcast at 6500ft
Current Conditions at
WAUKESHA - (KUES)
12°
Feels like -3°F
Cloudy
as of 8:45 AM CST
Rel. Humidity: 78%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
14 MPH
280° West
Cloud Level(s): Solid Overcast at 7000ft
60% chance of snow Today Today... Snow likely, mainly after 3pm. Cloudy, with a high near 23. Wind chill values between zero and 10. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

50% chance of snow Tonight Tonight... A 50 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 19. Northwest wind 5 to 10 mph.

60% chance of snow Wednesday Wednesday... Snow likely after noon. Mostly cloudy, with a high near 26. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 2. Wind chill values between -5 and -10. Northwest wind 5 to 10 mph.

Partly Sunny on New Year's Day New Year's Day... Partly sunny, with a high near 17. West wind around 5 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 9. West wind around 5 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 22. Northwest wind around 5 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 8. Northwest wind around 5 mph becoming calm.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 24.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 15.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 31.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 19.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 31.

Current Radar Image


Sun Almanac for Aztalan, Wisconsin
Sunrise: 07:27 AM
Sunset: 4:30 PM
Civil Sunrise:06:55 AM
Civil Sunset: 5:02 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:12 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.