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

Hazardous Weather Conditions

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Fair

64°F

18°C

Humidity 98%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Last update 14 Jul 1:35 am CDT
Extended Forecast for

Joliet IL

  • Overnight

    Overnight: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. West wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 64. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66. West wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 85.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.55°N 88.14°W
Last Update:
1:11 am CDT Jul 14, 2025
Forecast Valid:
1am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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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