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

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

Thunderstorm in Vicinity Rain Fog/Mist

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 73°F (23°C)
Visibility 6.00 mi
Last update 19 Aug 4:15 am CDT
Extended Forecast for

Robertsville MO

  • Overnight

    Overnight: Showers and possibly a thunderstorm.  Low around 70. West wind around 6 mph.  Chance of precipitation is 90%.

    Low: 70 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms, mainly between 10am and 1pm.  High near 82. Calm wind.  Chance of precipitation is 90%.

    High: 82 °F

    T-storms then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before midnight.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind.

    High: 84 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

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

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

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

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 70. West wind around 6 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms, mainly between 10am and 1pm. High near 82. Calm wind. Chance of precipitation is 90%.
Wednesday Night
Isolated showers and thunderstorms before midnight. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind.
Thursday Night
Mostly clear, with a low around 64. Calm wind.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Robertsville MO
 38.41°N 90.84°W (Elev. 469 ft)
4:21 am CDT Aug 19, 2026
4am 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