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.

Overcast

N/A

Humidity NA
Wind Speed E 3 mph
Barometer 29.97 in
Dewpoint N/A
Visibility 10.00 mi
Last update 26 Jun 7:35 am CDT
Extended Forecast for

Saint Clair MO

Flood Watch June 26, 07:57am until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 26, 07:57am until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • Today

    High: 79 °F

    Showers then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Light southeast wind.

    Low: 70 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 92. South wind 3 to 7 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm. High near 79. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely before 3am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Calm wind.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Light southeast wind.
Sunday
Sunny, with a high near 92. South wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MO
 38.35°N 90.98°W (Elev. 715 ft)
Last Update:
3:36 am CDT Jun 26, 2026
Forecast Valid:
7am CDT Jun 26, 2026-6pm CDT Jul 2, 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