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Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest. Read More >

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

60°F

16°C

Humidity 86%
Wind Speed SE 10 mph
Barometer 29.80 in (1008.7 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 28 Apr 6:51 pm CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

Flash Flood Watch until May 1, 01:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until May 1, 01:00am

    NOW until
    1:00am Mon

    Flash Flood Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then showers and thunderstorms after 3am. Some of the storms could produce heavy rain.  Low around 58. Northeast wind 3 to 7 mph.  Chance of precipitation is 80%.

    Heavy Rain

    Low: 58 °F

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Some of the storms could produce heavy rain.  High near 74. East wind 10 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 90%.

    Heavy Rain

    High: 74 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms. Some of the storms could produce heavy rain.  Low around 65. Southeast wind 9 to 14 mph.  Chance of precipitation is 90%.

    Heavy Rain

    Low: 65 °F

  • Sunday

    Sunday: Showers and thunderstorms. Some of the storms could produce heavy rain.  High near 75. South wind 11 to 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%.

    Heavy Rain

    High: 75 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 50. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    Heavy Rain

    Low: 50 °F

  • Monday

    Monday: A 20 percent chance of showers.  Mostly cloudy, with a high near 59.

    Slight Chance
    Showers

    High: 59 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 47.

    Partly Cloudy

    Low: 47 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    Mostly Sunny

    High: 68 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then showers and thunderstorms after 3am. Some of the storms could produce heavy rain. Low around 58. Northeast wind 3 to 7 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Some of the storms could produce heavy rain. High near 74. East wind 10 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms. Some of the storms could produce heavy rain. Low around 65. Southeast wind 9 to 14 mph. Chance of precipitation is 90%.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rain. High near 75. South wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 50. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 59.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 62.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 69.
Click Map For Forecast
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
6:27 pm CDT Apr 28, 2017
7pm CDT Apr 28, 2017-6pm CDT May 5, 2017
 
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