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.

Overcast

73°F

23°C

Humidity 69%
Wind Speed SW 10 G 21 mph
Barometer 29.83 in (1008.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 3:51 am CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Scattered showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 70. Southwest wind around 9 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 83. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 83 °F

    Isolated
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am. Low around 64. Southwest wind 8 to 10 mph. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Thursday

    Thursday: Scattered showers between 7am and 1pm, then scattered showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. South wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Scattered showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 70. Southwest wind around 9 mph. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 83. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am. Low around 64. Southwest wind 8 to 10 mph. Chance of precipitation is 90%.
Thursday
Scattered showers between 7am and 1pm, then scattered showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 62. South wind 3 to 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 64.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
1:26 am CDT Apr 15, 2026
Forecast Valid:
4am CDT Apr 15, 2026-6pm CDT Apr 21, 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