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

52°F

11°C

Humidity 40%
Wind Speed S 5 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 25 Mar 3:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Today: Mostly sunny, with a high near 79. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 91. Southwest wind 9 to 13 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 4am, then rain after 4am. Low around 44. Southwest wind 8 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 44 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Rain, mainly before 7am. High near 54. North wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 54 °F

    Rain then
    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 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Light southeast wind becoming south 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 64. South wind around 10 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 25 mph.
Thursday Night
Showers and possibly a thunderstorm, mainly before 4am, then rain after 4am. Low around 44. Southwest wind 8 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Friday
Rain, mainly before 7am. High near 54. North wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 62.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
Last Update:
3:51 am CDT Mar 25, 2026
Forecast Valid:
4am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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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