Dangerous heat and humidity from the central U.S. to East Coast

Hot and very humid conditions will continue to produce heat index values over 100 degrees across a large portion of the central and eastern U.S. Heat Advisories and Excessive Heat Warnings continue for the Plains, Mississippi Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Read More >

Current conditions at

St. Louis, Lambert-St. Louis International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

89°F

32°C

Humidity 70%
Wind Speed S 12 mph
Barometer 29.92 in (1011.6 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 24 Jul 10:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after 1am.  Increasing clouds, with a low around 77. South wind around 6 mph becoming northwest after midnight.  Chance of precipitation is 30%.

    Scattered
    T-storms

    Low: 77 °F

  • Monday

    Monday: Scattered showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 89. North wind 5 to 7 mph.  Chance of precipitation is 30%.

    Scattered
    T-storms

    High: 89 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 73. Northeast wind 5 to 8 mph.

    Mostly Cloudy

    Low: 73 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Northeast wind around 6 mph.

    Slight Chance
    T-storms

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 73. East wind around 6 mph becoming calm  in the evening.

    Mostly Cloudy

    Low: 73 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88.

    Chance
    T-storms

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73.

    Chance
    T-storms

    Low: 73 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88.

    Chance
    T-storms

    High: 88 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 77. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%.
Monday
Scattered showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 89. North wind 5 to 7 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 73. Northeast wind 5 to 8 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Northeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 73. East wind around 6 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
10:31 pm CDT Jul 24, 2016
11pm CDT Jul 24, 2016-6pm CDT Jul 31, 2016
 
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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