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

42°F

6°C

Humidity 99%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 22 Nov 9:10 pm CST
Extended Forecast for

Olney IL

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind around 7 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 58. West northwest wind around 6 mph becoming calm in the afternoon.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. Light and variable wind.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 57. Light southeast wind becoming south southeast 5 to 9 mph in the morning.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Low around 49. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 63. West southwest wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 63 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. West wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 39. West wind around 7 mph.
Sunday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 58. West northwest wind around 6 mph becoming calm in the afternoon.
Sunday Night
Partly cloudy, with a low around 37. Light and variable wind.
Monday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 57. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Monday Night
Rain. Low around 49. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 63. West southwest wind 6 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 36. West wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 26.
Thanksgiving Day
Sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 47.
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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:
8:51 pm CST Nov 22, 2025
Forecast Valid:
9pm CST Nov 22, 2025-6pm CST Nov 29, 2025
 
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