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.

Rain

38°F

3°C

Humidity 88%
Wind Speed SW 20 G 24 mph
Barometer 29.36 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Wind Chill28°F (-2°C)
Last update 9 Dec 11:35 pm CST
Extended Forecast for

Mazon IL

  • Tonight

    Tonight: Rain likely, mainly before midnight. Cloudy, with a low around 32. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Rain likely before 7am, then snow. Temperature falling to around 27 by 5pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 34 °F⇓

    Breezy.
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 25. Northwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.

    High: 25 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 22. South southeast wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 14.

    High: 14 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Partly cloudy, with a low around -6.

    Low: -6 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
Rain likely, mainly before midnight. Cloudy, with a low around 32. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely before 7am, then snow. Temperature falling to around 27 by 5pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 25. Northwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.
Thursday Night
Snow likely. Cloudy, with a low around 22. South southeast wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 28.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 9.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 14.
Saturday Night
A chance of snow before midnight. Partly cloudy, with a low around -6.
Sunday
Sunny and cold, with a high near 6.
Sunday Night
Partly cloudy, with a low around -5.
Monday
Partly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mazon IL
 41.25°N 88.42°W
Last Update:
8:16 pm CST Dec 9, 2025
Forecast Valid:
11pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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