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

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Fair

58°F

14°C

Humidity 58%
Wind Speed NE 5 mph
Barometer 30.18 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 May 11:15 pm CDT
Extended Forecast for

Olney IL

  • Tonight

    Tonight: Clear, with a low around 48. Light east wind.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 3am. Partly cloudy, with a low around 58. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 72. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 69. North northeast wind around 5 mph becoming calm in the afternoon.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Calm wind becoming southeast around 6 mph after midnight.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 48. Light east wind.
Tuesday
Sunny, with a high near 79. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 3am. Partly cloudy, with a low around 58. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 72. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Clear, with a low around 47. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 69. North northeast wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 51. Calm wind becoming southeast around 6 mph after midnight.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olney IL
 38.7°N 88.1°W (Elev. 449 ft)
Last Update:
10:36 pm CDT May 11, 2026
Forecast Valid:
11pm CDT May 11, 2026-6pm CDT May 18, 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