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.

Fog

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 40°F (4°C)
Visibility 0.50 mi
Last update 5 Mar 5:55 am CST
Extended Forecast for

Mazon IL

Dense Fog Advisory March 5, 05:59am until March 5, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 05:59am until March 5, 12:00pm

    NOW until 12:00pm Thu

    Dense Fog Advisory

  • Overnight

    Low: 41 °F

    Areas Drizzle
    and Dense Fog

  • Thursday

    Thursday: Areas of showers and thunderstorms before noon, then areas of drizzle between noon and 1pm. Areas of dense fog before 3pm. Otherwise, cloudy, with a high near 51. North northeast wind around 5 mph. Chance of precipitation is 40%.

    High: 51 °F

    Areas Showers
    and Areas
    Dense Fog

  • Thursday Night

    Thursday Night: Areas of fog. Otherwise, cloudy, with a low around 44. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 44 °F

    Areas Fog

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 75. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 56 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 9am. Partly sunny, with a high near 61. Breezy.

    High: 61 °F

    Breezy.
    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Overnight
Areas of drizzle. Widespread dense fog. Otherwise, cloudy, with a low around 41. North northeast wind around 5 mph.
Thursday
Areas of showers and thunderstorms before noon, then areas of drizzle between noon and 1pm. Areas of dense fog before 3pm. Otherwise, cloudy, with a high near 51. North northeast wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
Areas of fog. Otherwise, cloudy, with a low around 44. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 75. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers, mainly before 9am. Partly sunny, with a high near 61. Breezy.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 72.
Monday Night
A chance of showers. Partly cloudy, with a low around 52.
Tuesday
Showers. Mostly cloudy, with a high near 70.
Tuesday Night
Showers. Cloudy, with a low around 45.
Wednesday
Rain likely. Mostly cloudy, with a high near 54. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mazon IL
 41.25°N 88.42°W
Last Update:
5:21 am CST Mar 5, 2026
Forecast Valid:
5am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation