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.

Fair

73°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 18 Aug 3:10 am CDT
Extended Forecast for

6 Miles SW Newton IL

Heat Advisory August 18, 03:38am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 03:38am until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Overnight

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. Heat index values as high as 101. Light and variable wind becoming southeast around 5 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming southwest around 6 mph in the morning.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Light north northwest wind.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. North northeast wind 6 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. North wind 6 to 8 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Calm wind.
Monday
Mostly sunny, with a high near 91. Heat index values as high as 101. Light and variable wind becoming southeast around 5 mph.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Light north northwest wind.
Wednesday
Mostly sunny, with a high near 85. North northeast wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 66. North wind 6 to 8 mph.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Newton IL
 38.93°N 88.25°W (Elev. 525 ft)
Last Update:
3:25 am CDT Aug 18, 2025
Forecast Valid:
3am CDT Aug 18, 2025-6pm CDT Aug 24, 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