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 >

Hazardous Weather Conditions

Current conditions at

Marysville Municipal Airport (KMYZ)

Lat: 39.86°NLon: 96.63°WElev: 1283ft.

Fair

66°F

19°C

Humidity 94%
Wind Speed N 3 mph
Barometer 29.92 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 3:15 am CDT
Extended Forecast for

4 Miles W Vermillion KS

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 83. Calm wind becoming north around 5 mph.  Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 84. Calm wind becoming east around 5 mph.

    High: 84 °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 87. Calm wind becoming southwest around 5 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66. East wind around 5 mph.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. Calm wind becoming north around 5 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 84. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 87. Calm wind becoming southwest around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. East wind around 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Vermillion KS
 39.72°N 96.32°W
1:26 am CDT Aug 19, 2026
3am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database