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.

Partly Cloudy

42°F

6°C

Humidity 70%
Wind Speed NE 3 mph
Barometer 30.32 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 6:35 am CDT
Extended Forecast for

Olney IL

Frost Advisory April 20, 06:48am until April 20, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory April 20, 06:48am until April 20, 08:00am

    NOW until 8:00am Mon

    Frost Advisory

  • Today

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. South southeast wind 3 to 8 mph. Winds could gust as high as 17 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 8 to 17 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 6 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 63. East northeast wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 47. South southeast wind 3 to 8 mph. Winds could gust as high as 17 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 8 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 56. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 80. South wind 6 to 15 mph, with gusts as high as 23 mph.
Thursday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 63.
Friday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly sunny, with a high near 73.
Saturday Night
A chance of showers. Partly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly sunny, with a high near 74.
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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:
6:36 am CDT Apr 20, 2026
Forecast Valid:
6am CDT Apr 20, 2026-6pm CDT Apr 26, 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