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

51°F

11°C

Humidity 50%
Wind Speed S 9 mph
Barometer 30.06 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 21 Apr 3:15 am CDT
Extended Forecast for

Joliet IL

  • Overnight

    Overnight: Partly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 55. West wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 15 mph.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Northeast wind around 5 mph becoming west southwest in the morning. Winds could gust as high as 10 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 55. West wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 15 mph.
Wednesday
Mostly sunny, with a high near 76. Northeast wind around 5 mph becoming west southwest in the morning. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 58. Southeast wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51.
Monday
A chance of showers. Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.53°N 88.14°W
Last Update:
2:36 am CDT Apr 21, 2026
Forecast Valid:
3am CDT Apr 21, 2026-6pm CDT Apr 27, 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