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Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

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 72%
Wind Speed S 20 km/h
Barometer 1012.8 mb (29.95 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 16 Aug 10:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Today: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 30. South wind 10 to 13 km/h.

    Chance
    T-storms

    High: 30 °C

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 1am and 2am.  Mostly cloudy, with a low around 24. South wind 10 to 13 km/h.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 24 °C

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 32. West wind 8 to 14 km/h.

    Chance
    T-storms

    High: 32 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 21. West wind 8 to 14 km/h.

    Mostly Clear

    Low: 21 °C

  • Friday

    Friday: Sunny, with a high near 31. Northwest wind 5 to 11 km/h.

    Sunny

    High: 31 °C

  • Friday
    Night

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

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 20 °C

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 31.

    Slight Chance
    T-storms

    High: 31 °C

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 20.

    Mostly Clear

    Low: 20 °C

  • Sunday

    Sunday: Sunny, with a high near 33.

    Sunny

    High: 33 °C

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 30. South wind 10 to 13 km/h.
Tonight
Showers and thunderstorms likely, mainly between 1am and 2am. Mostly cloudy, with a low around 24. South wind 10 to 13 km/h. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 32. West wind 8 to 14 km/h.
Thursday Night
Mostly clear, with a low around 21. West wind 8 to 14 km/h.
Friday
Sunny, with a high near 31. Northwest wind 5 to 11 km/h.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 20.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 31.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 22.
Monday
Mostly sunny, with a high near 34.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 33.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 164 m)
7:27 am CDT Aug 16, 2017
11am CDT Aug 16, 2017-6pm CDT Aug 22, 2017
 
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Additional Resources

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Hourly Weather Forecast

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