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

87°F

31°C

Humidity 69%
Wind Speed S 3 mph
Barometer 30.01 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 4 Jul 1:10 pm CDT
Extended Forecast for

Olney IL

Heat Advisory July 4, 01:25pm until July 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 4, 01:25pm until July 4, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Independence Day

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. North wind 3 to 6 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. North wind 5 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. North northeast wind 3 to 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. North northeast wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Independence Day
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 91. Heat index values as high as 102. Southwest wind around 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. North wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 85. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 68. North northeast wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 86. North northeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 72.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olney IL
 38.73°N 88.09°W (Elev. 446 ft)
Last Update:
1:16 pm CDT Jul 4, 2026
Forecast Valid:
1pm CDT Jul 4, 2026-6pm CDT Jul 10, 2026
 
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