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

81°F

27°C

Humidity 33%
Wind Speed SW 13 mph
Barometer 29.87 in (1011.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 Mar 4:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 45. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Chance
    T-storms then
    Rain

  • Friday

    Friday: A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind around 15 mph, with gusts as high as 26 mph.

    High: 54 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. North wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °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

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. South wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 92. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A chance of rain and thunderstorms before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 45. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind around 15 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 33. North wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 55.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 81.
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 83.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
4:31 pm CDT Mar 25, 2026
Forecast Valid:
5pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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