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

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Overcast

65°F

18°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 30.06 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 Oct 10:35 am CDT
Extended Forecast for

Mazon IL

  • Today

    Today: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of rain after 4am. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 1pm. High near 64. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 1am, then a slight chance of rain. Mostly cloudy, with a low around 49. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

  • Friday

    Friday: A 20 percent chance of rain before 1pm. Partly sunny, with a high near 56. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 56 °F

    Slight Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 40 percent chance of rain after 4am. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Rain, with thunderstorms also possible after 1pm. High near 64. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely and possibly a thunderstorm before 1am, then a slight chance of rain. Mostly cloudy, with a low around 49. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 56. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 56.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

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