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

73°F

23°C

Humidity 53%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 9:50 pm CDT
Extended Forecast for

Olney IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 63. West wind 7 to 14 mph becoming south southwest after midnight. Winds could gust as high as 26 mph.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 75. East northeast wind 6 to 8 mph becoming southwest in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. East southeast wind 7 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 16 to 26 mph, with gusts as high as 36 mph.

    High: 79 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 63. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 63. West wind 7 to 14 mph becoming south southwest after midnight. Winds could gust as high as 26 mph.
Wednesday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 75. East northeast wind 6 to 8 mph becoming southwest in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. East southeast wind 7 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 16 to 26 mph, with gusts as high as 36 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 63. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.
Saturday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 65.
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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:
9:37 pm CDT Mar 31, 2026
Forecast Valid:
10pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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