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

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Mostly Cloudy

36°F

2°C

Humidity 49%
Wind Speed S 15 G 24 mph
Barometer 29.61 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 24 Feb 1:35 pm CST
Extended Forecast for

Preston Heights IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 40. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 40 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 25. South southwest wind 10 to 15 mph becoming west northwest in the evening.

    Low: 25 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Partly cloudy, with a low around 22. West northwest wind around 5 mph becoming north northeast after midnight.

    Low: 22 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42. South southeast wind around 5 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon. Partly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Cloudy, with a high near 40. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 25. South southwest wind 10 to 15 mph becoming west northwest in the evening.
Wednesday
Sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 22. West northwest wind around 5 mph becoming north northeast after midnight.
Thursday
Mostly sunny, with a high near 42. South southeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 31.
Saturday
A chance of snow after noon. Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Partly sunny, with a high near 34.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21.
Monday
Mostly cloudy, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Preston Heights IL
 41.5°N 88.08°W
Last Update:
1:16 pm CST Feb 24, 2026
Forecast Valid:
1pm CST Feb 24, 2026-6pm CST Mar 2, 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