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.

A Few Clouds

84°F

29°C

Humidity 44%
Wind Speed SW 18 G 23 mph
Barometer 29.79 in (1007.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 26 Mar 11:51 am CDT
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. Southwest wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms. Low around 41. Southwest wind 9 to 18 mph becoming north in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 90%.

    Low: 41 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely then
    Mostly Sunny

  • 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. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Tonight
Showers and thunderstorms. Low around 41. Southwest wind 9 to 18 mph becoming north in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 90%.
Friday
Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
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. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 83.
Monday Night
A slight chance of rain and thunderstorms, then a chance of rain after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 81.
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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:
11:26 am CDT Mar 26, 2026
Forecast Valid:
12pm CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation