Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Partly Cloudy

N/A

Humidity NA
Wind Speed S 3 mph
Barometer 29.99 in
Dewpoint N/A
Visibility 10.00 mi
Last update 4 Sep 3:35 pm CDT
Extended Forecast for

Sullivan MO

Extreme Heat Warning September 4, 03:48pm until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 03:48pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 104. Light and variable wind.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Isolated showers and thunderstorms before 1pm.  Sunny, with a high near 92. Calm wind becoming northeast around 6 mph in the morning.  Chance of precipitation is 20%.

    High: 92 °F

    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. Light east wind.

    Low: 66 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

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

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Calm wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 104. Light and variable wind.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Isolated showers and thunderstorms before 1pm. Sunny, with a high near 92. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 66. Light east wind.
Labor Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. 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)
2:51 pm CDT Sep 4, 2026
3pm CDT Sep 4, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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