Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Heavy Rain, Local Flooding from Gulf Coast to Southern Mid-Atlantic

A slow moving front will provide the focus for locally heavy rain from the Gulf Coast and Southeast states to the southern Mid-Atlantic on Tuesday. Localized flash flooding will be possible with the heavier thunderstorms. Also, some of these thunderstorms could produce damaging wind gusts in parts of the Southeast on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

63°F

17°C

Humidity 78%
Wind Speed E 8 mph
Barometer 29.82 in (1008.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 23 May 5:51 am CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

Flood Warning until May 26, 01:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning until May 26, 01:00am

    NOW until
    1:00am Fri

    Flood Warning

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm.  Cloudy, with a high near 73. Southeast wind 5 to 13 mph becoming west in the afternoon.  Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    High: 73 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. Northwest wind 5 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Chance
    Showers

    Low: 51 °F

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 65. Northwest wind 7 to 10 mph.  Chance of precipitation is 50%.

    Chance
    Showers

    High: 65 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers before 1am.  Mostly cloudy, with a low around 53. Northwest wind 6 to 8 mph.

    Chance
    Showers

    Low: 53 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Northwest wind around 7 mph.

    Mostly Sunny

    High: 75 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 58.

    Partly Cloudy

    Low: 58 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 81.

    Chance
    T-storms

    High: 81 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Chance
    T-storms

    Low: 66 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 73. Southeast wind 5 to 13 mph becoming west in the afternoon. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. Northwest wind 7 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 53. Northwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 75. Northwest wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 60.
Memorial Day
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
6:12 am CDT May 23, 2017
6am CDT May 23, 2017-6pm CDT May 29, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database