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

72°F

22°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 30.00 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 13 Jul 5:35 pm CDT
Extended Forecast for

Olney IL

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 87. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Heavy Rain
    then Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southwest wind 5 to 9 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 87. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 20 percent chance of showers and thunderstorms. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 71. Light and variable wind.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 88.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Olney IL
 38.73°N 88.09°W (Elev. 446 ft)
Last Update:
4:26 pm CDT Jul 13, 2025
Forecast Valid:
5pm CDT Jul 13, 2025-6pm CDT Jul 20, 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