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.

Mostly Cloudy

74°F

23°C

Humidity 90%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 1:55 am CDT
Extended Forecast for

Crystal Lawns IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 69. East wind around 5 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. Heat index values as high as 97. South wind 5 to 10 mph.

    High: 88 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 98. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 69. East wind around 5 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. Heat index values as high as 97. South wind 5 to 10 mph.
Monday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 98. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68. North wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lawns IL
 41.55°N 88.17°W
Last Update:
12:56 am CDT Aug 18, 2025
Forecast Valid:
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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