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

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed W 5 mph
Barometer 30.18 in (1022.4 mb)
Dewpoint 44°F (7°C)
Visibility 4.00 mi
Wind Chill42°F (6°C)
Last update 23 Nov 5:54 am CST
Extended Forecast for

Clarkson Valley MO

  • Today

    Today: Patchy fog between 7am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. West wind around 5 mph becoming calm in the morning.

    High: 58 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. South wind 3 to 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Rain likely after noon. Mostly cloudy, with a high near 58. South wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 58 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain, mainly before midnight. Low around 50. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 90%.

    Low: 50 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 61. West wind 3 to 7 mph.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Today
Patchy fog between 7am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. West wind around 5 mph becoming calm in the morning.
Tonight
Mostly cloudy, with a low around 44. South wind 3 to 6 mph.
Monday
Rain likely after noon. Mostly cloudy, with a high near 58. South wind 6 to 8 mph. Chance of precipitation is 60%.
Monday Night
Rain, mainly before midnight. Low around 50. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 90%.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 61. West wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 29.
Thanksgiving Day
Sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 46.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clarkson Valley MO
 38.63°N 90.6°W (Elev. 597 ft)
Last Update:
6:21 am CST Nov 23, 2025
Forecast Valid:
6am CST Nov 23, 2025-6pm CST Nov 29, 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