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Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain

71°F

22°C

Humidity 96%
Wind Speed E 5 mph
Barometer 29.97 in (1013.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 22 Aug 6:51 am CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Today

    Today: Occasional showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm.  High near 84. West wind 6 to 11 mph becoming northwest in the afternoon.  Chance of precipitation is 100%.

    Showers then
    Scattered
    Showers

    High: 84 °F

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 60. North wind 5 to 10 mph.

    Decreasing
    Clouds

    Low: 60 °F

  • Wednesday

    Wednesday: Sunny, with a high near 83. North wind 3 to 6 mph.

    Sunny

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 62. North wind around 5 mph becoming calm  in the evening.

    Clear

    Low: 62 °F

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 59.

    Partly Cloudy

    Low: 59 °F

  • Friday

    Friday: Mostly sunny, with a high near 80.

    Mostly Sunny

    High: 80 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 63.

    Mostly Cloudy

    Low: 63 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    Mostly Sunny

    High: 81 °F

Detailed Forecast

Today
Occasional showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. High near 84. West wind 6 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 100%.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 60. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 83. North wind 3 to 6 mph.
Wednesday Night
Clear, with a low around 62. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
6:28 am CDT Aug 22, 2017
7am CDT Aug 22, 2017-6pm CDT Aug 28, 2017
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database