Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

64°F

18°C

Humidity 21%
Wind Speed SE 17 G 23 mph
Barometer 30.18 in (1022.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 24 Mar 3:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Southeast wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79. Light south wind increasing to 5 to 9 mph in the morning.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Rain, mainly after 1am.  Low around 44. Southwest wind 9 to 14 mph becoming north after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 90%.

    Low: 44 °F

    Chance Rain
    then Rain

  • Friday

    Friday: A 40 percent chance of rain before 1pm.  Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

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

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Southeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 79. Light south wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 64. South wind around 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 91. Southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Rain, mainly after 1am. Low around 44. Southwest wind 9 to 14 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Friday
A 40 percent chance of rain before 1pm. Partly sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 80.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 60.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.26°W (Elev. 486 ft)
2:56 pm CDT Mar 24, 2026
4pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database