Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.90 in (1012.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Aug 2:54 am CDT
Extended Forecast for

3 Miles E Elsberry MO

  • Overnight

    Overnight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 65. Light northeast wind.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • 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 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the morning.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Light northeast wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Light and variable wind.
Friday Night
Partly cloudy, with a low around 69. Calm wind.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Elsberry MO
 39.19°N 90.72°W (Elev. 433 ft)
3:26 am CDT Aug 20, 2026
3am CDT Aug 20, 2026-6pm CDT Aug 26, 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