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.

Overcast

34°F

1°C

Humidity 64%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 14 Mar 9:55 am CDT
Extended Forecast for

Mazon ILSimilar City Names

  • Today

    Today: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 45. East southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 40. East southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 65. Windy, with a south wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers and
    Breezy then
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Rain showers before 1am, then snow showers likely, possibly mixed with rain between 1am and 4am, then snow showers likely after 4am. Patchy blowing snow after 2am. Low around 21. Windy, with a south southwest wind 25 to 30 mph becoming northwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Showers and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow showers likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 25. Windy, with a west northwest wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 70%.

    High: 25 °F

    Snow Showers
    Likely and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9. Blustery.

    Low: 9 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 45. East southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 40. East southeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 65. Windy, with a south wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before 1am, then snow showers likely, possibly mixed with rain between 1am and 4am, then snow showers likely after 4am. Patchy blowing snow after 2am. Low around 21. Windy, with a south southwest wind 25 to 30 mph becoming northwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
Snow showers likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 25. Windy, with a west northwest wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 9. Blustery.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Mazon ILSimilar City Names
 41.23°N 88.42°W
Last Update:
9:26 am CDT Mar 14, 2026
Forecast Valid:
10am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
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