Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed W 3 mph
Barometer 30.04 in
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Aug 3:55 pm CDT
Extended Forecast for

Sullivan MO

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall.  Low around 68. Light and variable wind.  Chance of precipitation is 80%.

    Low: 68 °F

    Partly Cloudy
    then Heavy
    Rain

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms, mainly between 9am and 1pm. Some of the storms could produce heavy rainfall.  High near 81. Northeast wind around 5 mph becoming light and variable.  Chance of precipitation is 80%.

    High: 81 °F

    Heavy Rain
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms, mainly between 2am and 4am.  Mostly cloudy, with a low around 66. Light northeast wind.

    Low: 66 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming northeast around 5 mph.

    High: 82 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

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

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm.  Sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers 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 chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 68. Light and variable wind. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms, mainly between 9am and 1pm. Some of the storms could produce heavy rainfall. High near 81. Northeast wind around 5 mph becoming light and variable. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of showers and thunderstorms, mainly between 2am and 4am. Mostly cloudy, with a low around 66. Light northeast wind.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 63. Calm wind.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 85. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan MO
 38.22°N 91.15°W (Elev. 938 ft)
1:26 pm CDT Aug 18, 2026
4pm 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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