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Aztalan, Wisconsin Weather Forecast
Aztalan, Wisconsin Weather
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Weather Forecast for Aztalan, Wisconsin : Jefferson County
Issued: 1:37 am CST Nov 18, 2025 Latitude: 43.0727787 Longitude: -88.8623285 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
90% chance of rain & snow on Overnight 90% chance of rain on Tuesday Cloudy on Wednesday 30% chance of rain on Thursday 20% chance of rain on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday
Low: 34°F High: 38°F High: 46°F High: 53°F High: 46°F High: 46°F High: 50°F High: 52°F
Low: 31°F Low: 35°F Low: 30°F Low: 25°F Low: 29°F Low: 34°F  
Rain & Snow Rain Cloudy Rain Rain Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
WATERTOWN - (KRYV)
37°
Cloudy
as of 1:15 AM CST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 7000ft
Current Conditions at
MADISON - (KMSN)
39°
Cloudy
Light Rain
as of 12:53 AM CST
Rel. Humidity: 60%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
7 MPH
100° East
Cloud Level(s): Scattered at 4800ft, Broken at 7500ft, Solid Overcast at 9500ft
Current Conditions at
JUNEAU - (KUNU)
37°
Cloudy
as of 1:15 AM CST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Scattered at 6500ft, Solid Overcast at 7000ft
Current Conditions at
WAUKESHA - (KUES)
37°
Cloudy
as of 1:15 AM CST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 6500ft, Solid Overcast at 8000ft
90% chance of rain & snow Overnight Overnight... Rain and snow, becoming all rain after 4am. Low around 34. East wind 5 to 10 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

90% chance of rain Tuesday Tuesday... Rain, mainly before 11am. High near 38. East wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31. Northeast wind 5 to 10 mph becoming light after midnight.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 46. Calm wind becoming southeast around 5 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 35. Calm wind.

30% chance of rain Thursday Thursday... A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 53. Light and variable wind becoming southwest 5 to 10 mph in the morning.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 30. West wind around 5 mph becoming northwest after midnight.

20% chance of rain Friday Friday... A 20 percent chance of rain. Mostly sunny, with a high near 46. Northwest wind 5 to 10 mph.

20% chance of rain Friday Night Friday Night... A 20 percent chance of rain. Partly cloudy, with a low around 25.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 46.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 29.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 50.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 34.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 52.

Current Radar Image


Sun Almanac for Aztalan, Wisconsin
Sunrise: 06:53 AM
Sunset: 4:29 PM
Civil Sunrise:06:22 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 05:47 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:13 AM
Astro Sunset: 6:08 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.