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

Hazardous Weather Conditions

Current conditions at

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Fair

89°F

32°C

Humidity 45%
Wind Speed SW 10 mph
Barometer 29.92 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 13 Oct 5:30 pm CDT
Extended Forecast for

Olney IL

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 72. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Clear then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 81. Light and variable wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. High near 84. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Increasing clouds, with a low around 52. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 62. Breezy, with a north northwest wind 20 to 22 mph, with gusts as high as 31 mph.

    High: 62 °F

    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. North wind 6 to 15 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 72. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.
Wednesday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 81. Light and variable wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
Thursday
Showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. High near 84. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly before 1am. Increasing clouds, with a low around 52. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 62. Breezy, with a north northwest wind 20 to 22 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 39. North wind 6 to 15 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
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
 38.73°N 88.09°W (Elev. 446 ft)
Last Update:
4:36 pm CDT Oct 13, 2026
Forecast Valid:
5pm CDT Oct 13, 2026-6pm CDT Oct 20, 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