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

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fog/Mist

57°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 30.06 in (1017.7 mb)
Dewpoint 55°F (13°C)
Visibility 3.00 mi
Last update 25 Dec 10:51 am CST
Extended Forecast for

Saint Louis MO

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. East wind around 6 mph becoming southwest after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Southwest wind 5 to 9 mph becoming northwest in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 68. Light east wind becoming southeast 5 to 9 mph in the morning.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight. Cloudy, with a low around 58.

    Low: 58 °F

    Cloudy then
    Slight Chance
    Rain

  • Sunday

    Sunday: Rain likely, with thunderstorms also possible after noon. Cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Low: 21 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

Detailed Forecast

Christmas Day
Partly sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 57. East wind around 6 mph becoming southwest after midnight.
Friday
Mostly sunny, with a high near 70. Southwest wind 5 to 9 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 47. Light and variable wind.
Saturday
Mostly cloudy, with a high near 68. Light east wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
A 20 percent chance of rain after midnight. Cloudy, with a low around 58.
Sunday
Rain likely, with thunderstorms also possible after noon. Cloudy, with a high near 67. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Monday
Sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
11:01 am CST Dec 25, 2025
Forecast Valid:
11am CST Dec 25, 2025-6pm CST Dec 31, 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