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

Hazardous Weather Conditions

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed S 13 G 16 mph
Barometer 29.91 in
Dewpoint N/A
Visibility 10.00 mi
Last update 15 May 9:55 am CDT
Extended Forecast for

Saint Clair MO

  • Today

    Today: A 20 percent chance of showers and thunderstorms, mainly between noon and 1pm. Increasing clouds, with a high near 84. South wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. South wind around 7 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 84. South wind around 6 mph. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. South wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms, mainly between noon and 1pm. Increasing clouds, with a high near 84. South wind 8 to 10 mph, with gusts as high as 22 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. South wind around 7 mph.
Saturday
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 84. South wind around 6 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 62. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 91. South wind 7 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 68.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MO
 38.35°N 90.98°W (Elev. 715 ft)
Last Update:
8:26 am CDT May 15, 2026
Forecast Valid:
10am CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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