National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast and Breezy

78°F

26°C

Humidity 37%
Wind Speed SW 23 G 41 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 28 Mar 5:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 62. South wind 8 to 15 mph, with gusts as high as 30 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before noon. Cloudy, with a high near 73. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 79. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 79 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely and possibly a thunderstorm before 10pm, then rain likely between 10pm and 1am. Mostly cloudy, with a low around 41. Northwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Mostly Cloudy
    then Rain
    Likely

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 62. South wind 8 to 15 mph, with gusts as high as 30 mph.
Saturday
Showers likely, mainly before noon. Cloudy, with a high near 73. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
A slight chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday
Rain and possibly a thunderstorm. High near 79. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Rain likely and possibly a thunderstorm before 10pm, then rain likely between 10pm and 1am. Mostly cloudy, with a low around 41. Northwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Rain likely after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
Rain and possibly a thunderstorm before 1pm, then rain likely. High near 76. Chance of precipitation is 80%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Partly sunny, with a high near 66.
Thursday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 49.
Friday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
Last Update:
5:52 pm CDT Mar 28, 2025
Forecast Valid:
5pm CDT Mar 28, 2025-6pm CDT Apr 4, 2025
 
Forecast Discussion
 
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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