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

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Partly Cloudy

N/A

Humidity NA
Wind Speed NE 10 mph
Barometer 30.02 in
Dewpoint N/A
Visibility 10.00 mi
Last update 6 Sep 1:15 pm CDT
Extended Forecast for

Sullivan MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Northeast wind around 6 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. East wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 87. East wind 3 to 5 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Light east wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Calm wind becoming south around 5 mph in the morning.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Northeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 64. East wind 3 to 5 mph.
Labor Day
Sunny, with a high near 87. East wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 63. Light east wind.
Tuesday
Sunny, with a high near 94. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 96.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63.
Friday
A 20 percent chance of showers. Sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.
Saturday
A 20 percent chance of showers. Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan MO
 38.22°N 91.15°W (Elev. 938 ft)
Last Update:
12:46 pm CDT Sep 6, 2026
Forecast Valid:
1pm CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation