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

79°F

26°C

Humidity 70%
Wind Speed W 3 mph
Barometer 29.95 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 12:15 pm CDT
Extended Forecast for

7 Miles E Lillis KS

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.

    High: 81 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming east around 5 mph.

    High: 83 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm.

    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 85. East wind around 5 mph.

    High: 85 °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

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 82. Southeast wind 5 to 10 mph.

    High: 82 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 65. Calm wind.
Friday
Mostly sunny, with a high near 86. 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. Southeast wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. East wind around 5 mph.
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 82. Southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Lillis KS
 39.61°N 96.17°W
11:21 am CDT Aug 19, 2026
12pm 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