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.

Thunderstorm

76°F

24°C

Humidity 90%
Wind Speed S 3 mph
Barometer 29.90 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 26 Jul 11:10 pm CDT
Extended Forecast for

3 Miles SW West Salem IL

Heat Advisory until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 28, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Tonight

    Low: 76 °F

    Heavy Rain

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 96. Heat index values as high as 114. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 96 °F

    Slight Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southwest wind 6 to 8 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. North wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. North wind 5 to 11 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. North wind 5 to 9 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66. North wind 5 to 7 mph becoming calm in the evening.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Light east northeast wind.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a steady temperature around 76. Calm wind. Chance of precipitation is 70%.
Monday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 96. Heat index values as high as 114. Calm wind becoming southwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 77. South southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 90. North wind 6 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 66. North wind 5 to 11 mph.
Wednesday
Sunny, with a high near 86. North wind 5 to 9 mph.
Wednesday Night
Clear, with a low around 66. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87. Light east northeast wind.
Thursday Night
Partly cloudy, with a low around 68. Calm wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light and variable wind.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northeast wind 3 to 8 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. North wind 3 to 7 mph.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 86. North northeast wind 5 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW West Salem IL
 38.48°N 88.05°W
Last Update:
11:26 pm CDT Jul 26, 2026
Forecast Valid:
11pm CDT Jul 26, 2026-6pm CDT Aug 2, 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