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

Hazardous Weather Conditions

Current conditions at

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Fair

77°F

25°C

Humidity 79%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Sep 8:50 pm CDT
Extended Forecast for

Olney IL

  • Tonight

    Tonight: Partly cloudy, with a low around 71. East southeast wind 3 to 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 96. Heat index values as high as 100. Light and variable wind becoming west southwest 5 to 8 mph in the morning.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. South wind around 6 mph, with gusts as high as 15 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 95. Light and variable wind becoming west northwest 5 to 8 mph in the morning.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 66. Northeast wind 6 to 8 mph.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 83. Northeast wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. East southeast wind 3 to 6 mph.
Saturday
Sunny and hot, with a high near 96. Heat index values as high as 100. Light and variable wind becoming west southwest 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 71. South wind around 6 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny and hot, with a high near 95. Light and variable wind becoming west northwest 5 to 8 mph in the morning.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 66. Northeast wind 6 to 8 mph.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 83. Northeast wind 8 to 10 mph, with gusts as high as 15 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olney IL
 38.7°N 88.1°W (Elev. 449 ft)
Last Update:
7:41 pm CDT Sep 18, 2026
Forecast Valid:
9pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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