Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Thunderstorm

80°F

27°C

Humidity 76%
Wind Speed NW 3 mph
Barometer 29.93 in (1012.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 16 Jul 10:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 77. Light and variable wind.

    Low: 77 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 89. Light and variable wind becoming northwest around 5 mph in the morning.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. Southeast wind 3 to 5 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 95.

    High: 95 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 78.

    Low: 78 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Light and variable wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Light and variable wind becoming northwest around 5 mph in the morning.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Northeast wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Light and variable wind becoming southeast around 6 mph in the morning.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southeast wind 3 to 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
10:22 pm CDT Jul 16, 2025
11pm CDT Jul 16, 2025-6pm CDT Jul 23, 2025
 
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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