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

77°F

25°C

Humidity 78%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Sep 2:15 am CDT
Extended Forecast for

Newton IL

Heat Advisory September 2, 02:34am until September 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 02:34am until September 4, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Overnight

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 106. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 3 to 5 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 104. West southwest wind 5 to 9 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Light south wind.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 76. South southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 106. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 3 to 5 mph.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 104. West southwest wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 76. Light south wind.
Friday
Sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 74. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton IL
 38.99°N 88.16°W (Elev. 492 ft)
Last Update:
2:31 am CDT Sep 2, 2026
Forecast Valid:
2am CDT Sep 2, 2026-6pm CDT Sep 8, 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