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.

Fair

58°F

14°C

Humidity 51%
Wind Speed SE 7 mph
Barometer 30.08 in (1017.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 14 May 12:51 am CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 57. South wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 9am. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming sunny, with a high near 83. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 83 °F

    Heavy Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South wind 7 to 9 mph.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 50. Calm wind.
Thursday
Sunny, with a high near 76. Calm wind becoming southeast 5 to 7 mph in the morning.
Thursday Night
A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 57. South wind 8 to 10 mph. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely, mainly before 9am. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming sunny, with a high near 83. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South wind 7 to 9 mph.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
11:41 pm CDT May 13, 2026
Forecast Valid:
1am CDT May 14, 2026-6pm CDT May 20, 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