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Aztalan, Wisconsin Weather Forecast
Aztalan, Wisconsin Weather
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Weather Forecast for Aztalan, Wisconsin : Jefferson County
Issued: 2:27 pm CST Jan 18, 2026 Latitude: 43.0727787 Longitude: -88.8623285 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday
90% chance of snow on This Afternoon 100% chance of blowing snow on Tonight Blowing Snow on M.L.King Day Increasing Clouds on Tuesday 20% chance of snow on Wednesday Mostly Sunny on Thursday 20% chance of snow on Friday 20% chance of snow on Saturday
High: 14°F Low: -3°F High: 4 °F High: 13°F High: 22°F High: 13°F High: 10°F High: 3°F
Low: -4°F Low: 16 °F Low: 3 °F Low: -2°F Low: -10°F  
Snow Blowing Snow Blowing Snow Increasing Clouds Snow Mostly Sunny Snow Snow
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Current Conditions at
WATERTOWN - (KRYV)
Feels like -4°F
Cloudy
as of 2:15 PM CST
Rel. Humidity: 60%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
9 MPH
230° Southwest
Cloud Level(s): Scattered at 3600ft, Scattered at 4800ft, Solid Overcast at 5500ft
Current Conditions at
MADISON - (KMSN)
Cloudy
Light Snow
as of 1:53 PM CST
Rel. Humidity: 65%
Dew Point: -0°F
Visibility: 7 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Broken at 6000ft, Solid Overcast at 7500ft
Current Conditions at
JUNEAU - (KUNU)
Feels like -8°F
Cloudy
as of 2:17 PM CST
Rel. Humidity: 65%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
12 MPH
210° Southwest
Cloud Level(s): Scattered at 2800ft, Broken at 4100ft, Solid Overcast at 5000ft
Current Conditions at
WAUKESHA - (KUES)
Feels like -7°F
Clear
as of 1:45 PM CST
Rel. Humidity: 65%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
14 MPH
240° Southwest
Cloud Level(s): Clear
90% chance of snow This Afternoon This Afternoon... Snow, mainly after 4pm. High near 14. Wind chill values between zero and 5. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

100% chance of blowing snow Tonight Tonight... Snow, mainly before 2am. Areas of blowing snow after midnight. Low around -3. Wind chill values between -10 and -20. Breezy, with a southwest wind 5 to 10 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Blowing Snow on M.L.King Day M.L.King Day... Areas of blowing snow before noon. Mostly sunny and cold, with a high near 4. Wind chill values between -15 and -25. 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. Wind chill values between -10 and -15. West wind 5 to 10 mph.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 13. West wind 5 to 10 mph.

70% chance of snow Tuesday Night Tuesday Night... Snow likely, mainly after midnight. Mostly cloudy, with a temperature rising to around 16 by 3am. South wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

20% chance of snow Wednesday Wednesday... A 20 percent chance of snow. Mostly cloudy, with a high near 22. West wind 5 to 10 mph.

20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 3. West wind around 10 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 13.

20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow. Mostly cloudy, with a low around -2.

20% chance of snow Friday Friday... A 20 percent chance of snow. Partly sunny and cold, with a high near 10.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow. Partly cloudy, with a low around -10.

20% chance of snow Saturday Saturday... A 20 percent chance of snow. Mostly sunny and cold, with a high near 3.

Current Radar Image


Sun Almanac for Aztalan, Wisconsin
Sunrise: 07:22 AM
Sunset: 4:50 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:30 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.