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

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

37°F

3°C

Humidity 81%
Wind Speed SW 8 mph
Barometer 29.92 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 5 Dec 9:35 pm CST
Extended Forecast for

Saint Clair MO

  • Tonight

    Tonight: Cloudy, with a low around 28. Southwest wind 5 to 7 mph.

    Low: 28 °F

    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 32. Southeast wind around 8 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 40. Southwest wind 5 to 8 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. North wind around 6 mph becoming calm after midnight.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 28. Southwest wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 44. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 32. Southeast wind around 8 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Sunday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 40. Southwest wind 5 to 8 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. North wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 34.
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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:
8:21 pm CST Dec 5, 2025
Forecast Valid:
9pm CST Dec 5, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation