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

89°F

32°C

Humidity 61%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 30 Jul 12:15 pm CDT
Extended Forecast for

Olney IL

Heat Advisory July 30, 12:24pm until July 30, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 30, 12:24pm until July 30, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 73. Light north wind.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. North northwest wind 5 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. North northeast wind around 11 mph, with gusts as high as 18 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. North northeast wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. North northeast wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Northeast wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 104. Light and variable wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 73. Light north wind.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. North northwest wind 5 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 66. North northeast wind around 11 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 79. North northeast wind 11 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 61. North northeast wind 8 to 10 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 80. Northeast wind 8 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Partly sunny, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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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:
11:56 am CDT Jul 30, 2025
Forecast Valid:
12pm CDT Jul 30, 2025-6pm CDT Aug 5, 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