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.

Fair

45°F

7°C

Humidity 80%
Wind Speed SW 5 mph
Barometer 30.04 in (1017.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 16 Feb 1:51 am CST
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 39. Light southwest wind.

    Low: 39 °F

    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 66. Light south wind increasing to 5 to 9 mph in the morning.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. South wind around 7 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. South wind 6 to 14 mph, with gusts as high as 26 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 58. South wind 14 to 16 mph, with gusts as high as 29 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 39. Light southwest wind.
Washington's Birthday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 66. Light south wind increasing to 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 44. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 65. South wind 6 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 58. South wind 14 to 16 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 59.
Friday Night
A 30 percent chance of rain. Low around 37.
Saturday
High near 53.
Saturday Night
Low around 34.
Sunday
High near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
12:26 am CST Feb 16, 2026
Forecast Valid:
2am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
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