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.

Overcast

N/A

Humidity NA
Wind Speed N 8 mph
Barometer 30.11 in
Dewpoint N/A
Visibility 7.00 mi
Last update 7 Dec 12:35 pm CST
Extended Forecast for

Saint Clair MO

  • This Afternoon

    This Afternoon: Cloudy, with a temperature falling to around 33 by 4pm. North wind around 9 mph, with gusts as high as 20 mph.

    High: 42 °F⇓

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. North wind 5 to 7 mph becoming calm after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 37. Calm wind.

    High: 37 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Calm wind becoming southwest 5 to 8 mph in the evening. Winds could gust as high as 20 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Southwest wind around 10 mph, with gusts as high as 23 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Cloudy, with a temperature falling to around 33 by 4pm. North wind around 9 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 21. North wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 37. Calm wind.
Monday Night
Partly cloudy, with a low around 27. Calm wind becoming southwest 5 to 8 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 54. Southwest wind around 10 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Mostly sunny, with a high near 24.
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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:
11:06 am CST Dec 7, 2025
Forecast Valid:
12pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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