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

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Fair

51°F

11°C

Humidity 99%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 23 Jul 5:35 am CDT
Extended Forecast for

5 Miles WNW Peotone IL

  • Today

    Today: Increasing clouds, with a high near 77. Calm wind becoming east southeast around 5 mph.

    High: 77 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. South southeast wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. South southwest wind around 5 mph becoming calm.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. South southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 77. Calm wind becoming east southeast around 5 mph.
Tonight
Mostly cloudy, with a low around 57. South southeast wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 58. South southwest wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 82. South southwest wind around 5 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Peotone IL
 41.36°N 87.89°W
Last Update:
4:56 am CDT Jul 23, 2026
Forecast Valid:
5am CDT Jul 23, 2026-6pm CDT Jul 29, 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