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.

Mostly Cloudy

76°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 16 Jul 12:15 am CDT
Extended Forecast for

Olney IL

  • Overnight

    Overnight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Southwest wind 6 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South southwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West wind around 6 mph becoming light and variable in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. East northeast wind around 6 mph.

    High: 83 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Southwest wind 6 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South southwest wind around 7 mph. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 7 to 10 mph, with gusts as high as 15 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
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West wind around 6 mph becoming light and variable in the evening.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. East northeast wind around 6 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olney IL
 38.7°N 88.1°W (Elev. 449 ft)
Last Update:
5:56 pm CDT Jul 15, 2025
Forecast Valid:
12am CDT Jul 16, 2025-6pm CDT Jul 22, 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