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.

Overcast

25°F

-4°C

Humidity 88%
Wind Speed Calm
Barometer 30.50 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 1 Dec 2:30 am CST
Extended Forecast for

Olney IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. Light north northeast wind.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow, mainly after 5pm. Cloudy, with a high near 34. East southeast wind 3 to 7 mph.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: Snow, mainly before 3am. Low around 23. Calm wind becoming northwest 5 to 8 mph after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow then
    Snow Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. Northwest wind 3 to 8 mph.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18. Calm wind becoming south around 5 mph after midnight.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. South wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Light north northeast wind.
Monday
A 30 percent chance of snow, mainly after 5pm. Cloudy, with a high near 34. East southeast wind 3 to 7 mph.
Monday Night
Snow, mainly before 3am. Low around 23. Calm wind becoming northwest 5 to 8 mph after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 30. Northwest wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 18. Calm wind becoming south around 5 mph after midnight.
Wednesday
Increasing clouds, with a high near 39. South wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.
Thursday
Mostly sunny, with a high near 27.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Friday Night
A chance of freezing rain. Mostly cloudy, with a low around 25.
Saturday
Mostly cloudy, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olney IL
 38.73°N 88.09°W (Elev. 446 ft)
Last Update:
2:36 am CST Dec 1, 2025
Forecast Valid:
2am CST Dec 1, 2025-6pm CST Dec 7, 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