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

Areas of Excessive Rainfall; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall Wednesday may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Saturday. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Drizzle

68°F

20°C

Humidity 87%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 24 Sep 2:35 am CDT
Extended Forecast for

Preston Heights IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. North northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 72. North northeast wind 10 to 15 mph.

    High: 72 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. North northwest wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. North northeast wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 72. North northeast wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 57. North northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 75. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Preston Heights IL
 41.5°N 88.08°W
Last Update:
12:41 am CDT Sep 24, 2025
Forecast Valid:
2am CDT Sep 24, 2025-6pm CDT Sep 30, 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