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.

Mostly Cloudy

28°C

83°F

Humidity 51%
Wind Speed SE 17 km/h
Barometer 1011.0 mb (29.90 in)
Dewpoint 17°C (63°F)
Visibility 16 km
Heat Index29°C (84°F)
Last update 19 May 9:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 4am and 5am. Mostly clear, with a low around 21. South wind around 11 km/h. Chance of precipitation is 20%.

    Low: 21 °C

    Clear then
    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 31. South wind 11 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 20%.

    High: 31 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. South wind around 11 km/h.

    Low: 21 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 33. South wind 13 to 18 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 50 km/h.

    High: 33 °C

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 22. Southwest wind 21 to 26 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 48 km/h. Chance of precipitation is 60%.

    Low: 22 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 28. Chance of precipitation is 60%.

    High: 28 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 16.

    Low: 16 °C

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 27.

    High: 27 °C

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 17.

    Low: 17 °C

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 4am and 5am. Mostly clear, with a low around 21. South wind around 11 km/h. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 31. South wind 11 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 21. South wind around 11 km/h.
Tuesday
Sunny, with a high near 33. South wind 13 to 18 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 50 km/h.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 22. Southwest wind 21 to 26 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 48 km/h. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 28. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 16.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 27.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 17.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 28.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 19.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 30.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 18.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 28.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 m)
Last Update:
10:37 pm CDT May 19, 2024
Forecast Valid:
10pm CDT May 19, 2024-6pm CDT May 26, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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