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

64°F

18°C

Humidity 83%
Wind Speed NW 3 mph
Barometer 29.81 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Nov 7:35 pm CST
Extended Forecast for

Saint Clair MO

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind becoming northwest around 6 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. North wind 3 to 6 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 60. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 60 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 46. Southeast wind around 6 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of rain. Partly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Calm wind becoming northwest around 6 mph after midnight.
Sunday
Sunny, with a high near 59. North wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 34. Light and variable wind.
Monday
A 30 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 60. Calm wind becoming southeast 5 to 9 mph in the morning.
Monday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 46. Southeast wind around 6 mph. Chance of precipitation is 50%.
Tuesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 73.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 47.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 65.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Thursday
Rain and possibly a thunderstorm. High near 64. Chance of precipitation is 80%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 61.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MO
 38.35°N 90.98°W (Elev. 715 ft)
Last Update:
7:21 pm CST Nov 15, 2025
Forecast Valid:
7pm CST Nov 15, 2025-6pm CST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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