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

50°F

10°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 29 Apr 10:35 pm CDT
Extended Forecast for

Saint Clair MO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 38. Calm wind.

    Low: 38 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 67. Light and variable wind.

    High: 67 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 42. Light west wind.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 62. Calm wind becoming north around 6 mph in the morning.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Light north wind.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 38. Calm wind.
Thursday
Increasing clouds, with a high near 67. Light and variable wind.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 42. Light west wind.
Friday
Mostly sunny, with a high near 62. Calm wind becoming north around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 37. Light north wind.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 74.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 74. Chance of precipitation is 60%.
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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:
4:46 pm CDT Apr 29, 2026
Forecast Valid:
10pm CDT Apr 29, 2026-6pm CDT May 6, 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