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.

Partly Cloudy

51°F

11°C

Humidity 80%
Wind Speed N 5 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 2 May 7:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Today: A 20 percent chance of showers before 10am. Partly sunny, with a high near 61. Northeast wind 5 to 10 mph becoming north in the afternoon.

    High: 61 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 76. South wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers before 10am. Partly sunny, with a high near 61. Northeast wind 5 to 10 mph becoming north in the afternoon.
Tonight
Mostly clear, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 76. South wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 49. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 45.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 73.
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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:
8:11 am CDT May 2, 2026
Forecast Valid:
8am CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation