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

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Last update 16 Jul 2:35 am CDT
Extended Forecast for

Olney IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Chance
    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. Heat index values as high as 101. Southwest wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 74. South southwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 93. West southwest wind 7 to 10 mph becoming north northeast in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then a chance of showers. Mostly cloudy, with a low around 71. North wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. East northeast wind around 6 mph.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 3 to 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 101. Southwest wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 74. South southwest wind around 7 mph. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 93. West southwest wind 7 to 10 mph becoming north northeast in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 10pm, then a chance of showers. Mostly cloudy, with a low around 71. North wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. East northeast wind around 6 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light and variable wind.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly 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 74.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 94.
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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:
2:10 am CDT Jul 16, 2025
Forecast Valid:
2am 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