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Aztalan, Wisconsin Weather Forecast
Aztalan, Wisconsin Weather
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Weather Forecast for Aztalan, Wisconsin : Jefferson County
Issued: 1:31 pm CST Jan 17, 2026 Latitude: 43.0727787 Longitude: -88.8623285 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday M.L.King Day Tuesday Wednesday Thursday Friday
90% chance of snow on This Afternoon 30% chance of snow on Tonight 90% chance of snow on Sunday Mostly Sunny on M.L.King Day Mostly Sunny on Tuesday 20% chance of snow on Wednesday Partly Sunny on Thursday 20% chance of snow on Friday
High: 21°F Low: 5 °F High: 16°F High: 5 °F High: 18°F High: 22°F High: 15°F High: 16°F
Low: -2°F Low: -4°F Low: 10°F Low: 5°F Low: 1°F  
Snow Snow Snow Mostly Sunny Mostly Sunny Snow Partly Sunny Snow
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Current Conditions at
WATERTOWN - (KRYV)
14°
Cloudy
Light Snow
as of 1:35 PM CST
Rel. Humidity: 78%
Dew Point: 9°F
Visibility: 3 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Broken at 3000ft, Broken at 3600ft, Solid Overcast at 4200ft
Current Conditions at
MADISON - (KMSN)
16°
Feels like 4°F
Cloudy
Light Snow Mist
as of 1:29 PM CST
Rel. Humidity: 85%
Dew Point: 12°F
Visibility: 3/4 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
9 MPH
280° West
Cloud Level(s): Scattered at 1400ft, Solid Overcast at 2800ft
Current Conditions at
JUNEAU - (KUNU)
14°
Feels like -1°F
Cloudy
Light Snow
as of 1:35 PM CST
Rel. Humidity: 78%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: MVFR
Wind Data
15 MPH
Gust: 21 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 1700ft
90% chance of snow This Afternoon This Afternoon... Snow, mainly before 5pm. High near 21. West wind around 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

30% chance of snow Tonight Tonight... A 30 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 5. Wind chill values between -5 and zero. West wind around 10 mph.

90% chance of snow Sunday Sunday... Snow, mainly after 3pm. High near 16. Wind chill values between -10 and zero. Southwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

40% chance of snow Sunday Night Sunday Night... A 40 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around -2. Wind chill values between -10 and -20. Blustery, with a southwest wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 35 mph.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny and cold, with a high near 5. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around -4. West wind 5 to 10 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 18. Southwest wind 5 to 10 mph.

50% chance of snow Tuesday Night Tuesday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 10. South wind around 5 mph.

20% chance of snow Wednesday Wednesday... A 20 percent chance of snow before noon. Mostly cloudy, with a high near 22.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 5.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 15.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 1.

20% chance of snow Friday Friday... A 20 percent chance of snow. Partly sunny, with a high near 16.

Sun Almanac for Aztalan, Wisconsin
Sunrise: 07:23 AM
Sunset: 4:48 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:29 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.