Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Centralia Municipal Airport (KENL)

Lat: 38.51°NLon: 89.09°WElev: 525ft.

Fair

86°F

30°C

Humidity 53%
Wind Speed NA
Barometer 30.08 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 31 Aug 9:35 am CDT
Extended Forecast for

5 Miles ENE Centralia Municipal Airport IL

Heat Advisory August 31, 12:00pm until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 96. Heat index values as high as 100. Southwest wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. South wind 3 to 5 mph.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 103. Southwest wind 3 to 6 mph.

    High: 99 °F

    Hot

  • Tuesday Night

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

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 96. Heat index values as high as 100. Southwest wind 5 to 10 mph.
Tonight
Clear, with a low around 75. South wind 3 to 5 mph.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 103. Southwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 76. Light south wind.
Wednesday
Sunny and hot, with a high near 99. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Centralia Municipal Airport IL
 38.56°N 88.99°W (Elev. 518 ft)
9:21 am CDT Aug 31, 2026
9am CDT Aug 31, 2026-6pm CDT Sep 6, 2026
 
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