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 W 6 mph
Barometer 29.98 in
Dewpoint N/A
Visibility 10.00 mi
Last update 19 Aug 1:35 pm CDT
Extended Forecast for

3 Miles NNW Tiff MO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly cloudy, with a high near 84. Calm wind.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 84. Calm wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind.
Thursday Night
Partly cloudy, with a low around 65. Calm wind.
Friday
Sunny, with a high near 88. Calm wind.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 64.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Tiff MO
 38.06°N 90.77°W (Elev. 774 ft)
1:26 pm CDT Aug 19, 2026
1pm 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