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.

Overcast

74°F

23°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.99 in
Dewpoint 74°F (23°C)
Visibility 1.50 mi
Last update 26 Jul 9:10 am CDT
Extended Forecast for

2 Miles NNE Olney IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly cloudy, with a high near 90. Heat index values as high as 105. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny and hot, with a high near 95. Heat index values as high as 112. East northeast wind 6 to 11 mph becoming south southwest in the morning. Winds could gust as high as 18 mph.

    High: 95 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southwest wind around 9 mph, with gusts as high as 16 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. North northwest wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. North wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 90. Heat index values as high as 105. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny and hot, with a high near 95. Heat index values as high as 112. East northeast wind 6 to 11 mph becoming south southwest in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 77. Southwest wind around 9 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 90. North northwest wind 7 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 67. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday
Sunny, with a high near 86. North wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Olney IL
 38.75°N 88.07°W (Elev. 499 ft)
Last Update:
7:36 am CDT Jul 26, 2026
Forecast Valid:
9am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation