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

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 8 Aug 2:30 am CDT
Extended Forecast for

Olney IL

  • Overnight

    Overnight: Partly cloudy, with a low around 71. Light southwest wind.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. West wind 3 to 7 mph.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Light and variable wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Heat index values as high as 101. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South southwest wind around 8 mph, with gusts as high as 15 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. Southwest wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 40%.

    Low: 74 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 71. Light southwest wind.
Saturday
Mostly sunny, with a high near 89. West wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 70. Light and variable wind.
Sunday
Sunny, with a high near 90. Heat index values as high as 101. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Sunday Night
Mostly clear, with a low around 73. South southwest wind around 8 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 91. Southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 75. South wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 89.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 71.
Thursday
A chance of showers. Partly sunny, with a high near 85.
Thursday Night
Showers likely. Mostly cloudy, with a low around 68.
Friday
A chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olney IL
 38.73°N 88.09°W (Elev. 446 ft)
Last Update:
1:41 am CDT Aug 8, 2026
Forecast Valid:
2am CDT Aug 8, 2026-6pm CDT Aug 14, 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