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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair with Haze

62°F

17°C

Humidity 84%
Wind Speed SE 3 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 24 Dec 4:54 pm CST
Extended Forecast for

4 Miles SW Weldon Spring Heights MO

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 52. South wind around 5 mph becoming calm after midnight.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Christmas Day

    Christmas Day: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 70. Calm wind becoming east around 5 mph.

    High: 70 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog between 1am and 4am. Otherwise, mostly cloudy, with a low around 57. Calm wind becoming south around 6 mph in the evening.

    Low: 57 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 70. West wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain likely after noon. Cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 52. South wind around 5 mph becoming calm after midnight.
Christmas Day
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 70. Calm wind becoming east around 5 mph.
Thursday Night
Patchy fog between 1am and 4am. Otherwise, mostly cloudy, with a low around 57. Calm wind becoming south around 6 mph in the evening.
Friday
Sunny, with a high near 70. West wind 5 to 8 mph becoming light and variable in the afternoon.
Friday Night
Partly cloudy, with a low around 46. Calm wind.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of rain and thunderstorms, then rain likely after noon. Cloudy, with a high near 60. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Weldon Spring Heights MO
 38.68°N 90.74°W (Elev. 597 ft)
Last Update:
4:46 pm CST Dec 24, 2025
Forecast Valid:
5pm CST Dec 24, 2025-6pm CST Dec 31, 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