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

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43°NLon: 88.42°WElev: 584ft.

Fair

11°F

-12°C

Humidity 89%
Wind Speed N 3 mph
Barometer 30.27 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 7 Dec 5:35 pm CST
Extended Forecast for

Mazon IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. Wind chill values as low as -3. North wind 5 to 10 mph becoming light east northeast in the evening.

    Low: 5 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 23. Calm wind becoming southeast around 5 mph in the morning.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 27 by 5am. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 17 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Cloudy, with a low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a slight chance of snow after noon. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 30%.

    High: 36 °F

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 25.

    High: 25 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before midnight. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 5. Wind chill values as low as -3. North wind 5 to 10 mph becoming light east northeast in the evening.
Monday
Partly sunny, with a high near 23. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
Mostly cloudy, with a temperature rising to around 27 by 5am. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Rain likely, mainly before midnight. Cloudy, with a low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday
A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a slight chance of snow after noon. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Mostly cloudy, with a high near 25.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 7.
Friday
Mostly cloudy, with a high near 16.
Friday Night
Mostly cloudy, with a low around -1.
Saturday
Partly sunny and cold, with a high near 9.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
Mostly sunny, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mazon IL
 41.25°N 88.42°W
Last Update:
5:17 pm CST Dec 7, 2025
Forecast Valid:
5pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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