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

83°F

28°C

Humidity 54%
Wind Speed NW 7 mph
Barometer 30.00 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Jun 12:35 pm CDT
Extended Forecast for

Olney IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. West northwest wind around 6 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 84. South southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then showers likely. Some of the storms could produce heavy rainfall. Low around 69. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 69 °F

    Heavy Rain
    then Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 78. West southwest wind around 11 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. North wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. North northeast wind 3 to 5 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. West northwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 65. Light and variable wind.
Sunday
Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 84. South southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms before 1am, then showers likely. Some of the storms could produce heavy rainfall. Low around 69. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 78. West southwest wind around 11 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Partly cloudy, with a low around 61. North wind 5 to 10 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 80. North northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olney IL
 38.72°N 88.07°W (Elev. 476 ft)
Last Update:
11:56 am CDT Jun 20, 2026
Forecast Valid:
12pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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