Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Centralia Municipal Airport (KENL)

Lat: 38.51°NLon: 89.09°WElev: 525ft.

Light Rain

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 6:15 am CDT
Extended Forecast for

3 Miles E Okawville IL

  • Today

    Today: Showers and possibly a thunderstorm before 11am, then scattered showers and thunderstorms, mainly between 11am and 1pm.  High near 81. Light and variable wind.  Chance of precipitation is 80%.

    High: 81 °F

    Showers then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 1am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 50%.

    Low: 68 °F

    Scattered
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 83. Light northeast wind.

    High: 83 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 11am, then scattered showers and thunderstorms, mainly between 11am and 1pm. High near 81. Light and variable wind. Chance of precipitation is 80%.
Tonight
Scattered showers and thunderstorms, mainly before 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 83. Light northeast wind.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 85. Calm wind.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Okawville IL
 38.44°N 89.5°W (Elev. 449 ft)
6:21 am CDT Aug 19, 2026
6am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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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