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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, 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 Calm
Barometer 30.25 in
Dewpoint N/A
Visibility 10.00 mi
Last update 16 Sep 8:15 pm CDT
Extended Forecast for

3 Miles NNE Steelville MO

Heat Advisory September 16, 08:33pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 08:33pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 72 °F

    Chance
    T-storms then
    Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Heat index values as high as 104. Southwest wind 3 to 6 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. Light and variable wind.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. Heat index values as high as 102. Light southwest wind.

    High: 95 °F

    Sunny

  • Friday Night

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

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 72. Calm wind becoming south around 5 mph after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Heat index values as high as 104. Southwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 71. Light and variable wind.
Friday
Sunny, with a high near 95. Heat index values as high as 102. Light southwest wind.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 66.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Steelville MO
 38°N 91.33°W (Elev. 748 ft)
Last Update:
6:06 pm CDT Sep 16, 2026
Forecast Valid:
8pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation