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

29°C

84°F

Humidity 65%
Wind Speed SE 15 km/h
Barometer 1015.5 mb (30.03 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 13 Jul 10:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Today: Showers and thunderstorms likely, mainly after 1pm. Cloudy, with a high near 30. Southeast wind 5 to 8 km/h. Chance of precipitation is 70%.

    High: 30 °C

    T-storms
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Chance
    T-storms then
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 31. East wind 3 to 8 km/h.

    High: 31 °C

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33. Light southeast wind becoming south 6 to 11 km/h in the morning.

    High: 33 °C

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 23.

    Low: 23 °C

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 34.

    High: 34 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23.

    Low: 23 °C

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33.

    High: 33 °C

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 1pm. Cloudy, with a high near 30. Southeast wind 5 to 8 km/h. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 22. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 31. East wind 3 to 8 km/h.
Monday Night
Partly cloudy, with a low around 23. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33. Light southeast wind becoming south 6 to 11 km/h in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 23.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 34.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 22.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33.
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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 m)
Last Update:
8:37 am CDT Jul 13, 2025
Forecast Valid:
11am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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