Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 30.11 in
Dewpoint N/A
Visibility 10.00 mi
Last update 17 Aug 10:15 pm CDT
Extended Forecast for

2 Miles WSW Sullivan MO

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming south around 6 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 4am.  Increasing clouds, with a low around 68. Light and variable wind becoming southeast around 6 mph in the evening.  Chance of precipitation is 60%.

    Low: 68 °F

    Mostly Clear
    then T-storms
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 84. East wind around 6 mph becoming northwest in the afternoon.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 66 °F

    T-storms
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    T-storms

  • Thursday Night

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

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

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

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Calm wind.
Tuesday
Sunny, with a high near 89. Calm wind becoming south around 6 mph.
Tuesday Night
Showers and thunderstorms likely, mainly after 4am. Increasing clouds, with a low around 68. Light and variable wind becoming southeast around 6 mph in the evening. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. East wind around 6 mph becoming northwest in the afternoon.
Wednesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 84.
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 85.
Saturday Night
Mostly clear, with a low around 63.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Sullivan MO
 38.2°N 91.18°W (Elev. 974 ft)
6:11 pm CDT Aug 17, 2026
10pm CDT Aug 17, 2026-6pm CDT Aug 24, 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