National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43°NLon: 88.42°WElev: 584ft.

Fair

0°F

-18°C

Humidity 88%
Wind Speed Calm
Barometer 30.13 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 5 Dec 2:35 am CST
Extended Forecast for

Mazon IL

  • Overnight

    Overnight: Patchy freezing fog. Mostly clear early, then becoming mostly cloudy, with a low around -4. Wind chill values as low as -13. South wind around 5 mph, with gusts as high as 10 mph.

    Low: -4 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: Areas of freezing fog before 9am. Partly sunny, with a high near 27. Wind chill values as low as -8. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Areas
    Freezing Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy snow and freezing rain between 9pm and 3am. Mostly cloudy, with a temperature rising to around 31 by 3am. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 23 °F⇑

    Patchy Wintry
    Mix

  • Saturday

    Saturday: Mostly cloudy, with a high near 27. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.

    High: 27 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 18. Calm wind becoming east around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

    Low: 18 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday

    Sunday: Snow likely before noon. Partly sunny, with a high near 27. Chance of precipitation is 60%.

    High: 27 °F

    Snow Likely
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Overnight
Patchy freezing fog. Mostly clear early, then becoming mostly cloudy, with a low around -4. Wind chill values as low as -13. South wind around 5 mph, with gusts as high as 10 mph.
Friday
Areas of freezing fog before 9am. Partly sunny, with a high near 27. Wind chill values as low as -8. South southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Patchy snow and freezing rain between 9pm and 3am. Mostly cloudy, with a temperature rising to around 31 by 3am. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 27. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 18. Calm wind becoming east around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%.
Sunday
Snow likely before noon. Partly sunny, with a high near 27. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 20.
Monday Night
A chance of snow. Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 35.
Tuesday Night
Rain likely. Cloudy, with a low around 30.
Wednesday
A chance of rain. Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mazon IL
 41.25°N 88.42°W
Last Update:
1:50 am CST Dec 5, 2025
Forecast Valid:
2am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation