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.

Mostly Cloudy

66°F

19°C

Humidity 75%
Wind Speed SE 8 mph
Barometer 29.38 in (994.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 19 Feb 4:51 pm CST
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Increasing clouds, with a low around 34. South wind 5 to 10 mph becoming west 13 to 18 mph in the evening. Winds could gust as high as 36 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 49. West wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Clear during the early evening, then becoming mostly cloudy, with a low around 31. Light and variable wind becoming north around 6 mph after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Northwest wind 6 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 20.

    Low: 20 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 34. South wind 5 to 10 mph becoming west 13 to 18 mph in the evening. Winds could gust as high as 36 mph.
Friday
Sunny, with a high near 49. West wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Clear during the early evening, then becoming mostly cloudy, with a low around 31. Light and variable wind becoming north around 6 mph after midnight.
Saturday
Mostly sunny, with a high near 46. Northwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 26. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 38.
Sunday Night
Clear, with a low around 20.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 61.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
Last Update:
3:46 pm CST Feb 19, 2026
Forecast Valid:
5pm CST Feb 19, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation