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

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 29.98 in
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Aug 7:55 pm CDT
Extended Forecast for

5 Miles NE Viburnum MO

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Increasing clouds, with a low around 70. Southeast wind 3 to 6 mph.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms after 3pm.  Cloudy through mid morning, then gradual clearing, with a high near 86. Northeast wind 5 to 8 mph becoming southeast in the morning.  Chance of precipitation is 60%.

    High: 86 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am.  Increasing clouds, with a low around 66. East wind 5 to 7 mph becoming north after midnight.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms, mainly between 10am and 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 84. North wind around 6 mph becoming calm  in the morning.

    High: 84 °F

    Slight Chance
    T-storms

  • 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: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 70. Southeast wind 3 to 6 mph.
Wednesday
Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy through mid morning, then gradual clearing, with a high near 86. Northeast wind 5 to 8 mph becoming southeast in the morning. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Increasing clouds, with a low around 66. East wind 5 to 7 mph becoming north after midnight.
Thursday
A 20 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. North wind around 6 mph becoming calm in the morning.
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
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Viburnum MO
 37.77°N 91.06°W (Elev. 1001 ft)
5:06 pm CDT Aug 18, 2026
8pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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