National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed E 5 mph
Barometer 30.07 in
Dewpoint N/A
Visibility 10.00 mi
Last update 15 Sep 7:15 pm CDT
Extended Forecast for

Viburnum MO

Heat Advisory September 15, 07:31pm until September 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 15, 07:31pm until September 18, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 103. Light and variable wind.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 103. Light and variable wind.
Thursday Night
Mostly clear, with a low around 71. Calm wind.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 95.
Saturday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 65.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Viburnum MO
 37.71°N 91.12°W (Elev. 1201 ft)
Last Update:
5:46 pm CDT Sep 15, 2026
Forecast Valid:
7pm CDT Sep 15, 2026-6pm CDT Sep 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation