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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.

Thunderstorm Light Rain

13°C

56°F

Humidity 90%
Wind Speed E 19 km/h
Barometer 1007.9 mb (29.77 in)
Dewpoint 12°C (53°F)
Visibility 14 km
Last update 28 Apr 12:51 pm CDT
Extended Forecast for

Saint Louis MO

Flash Flood Watch April 28, 07:00pm until May 1, 01:00am
Click here for hazard details and duration
Flash Flood Watch
  • This
    Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Cloudy, with a high near 19. Southeast wind 16 to 21 km/h, with gusts as high as 34 km/h.

    Chance
    T-storms

    High: 19 °C

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rain.  Low around 15. South wind 5 to 10 km/h becoming calm.  Chance of precipitation is 90%.

    Heavy Rain

    Low: 15 °C

  • Saturday

    Saturday: Showers and thunderstorms. Some of the storms could produce heavy rain.  High near 24. East wind 11 to 16 km/h becoming south in the afternoon.  Chance of precipitation is 90%.

    Heavy Rain

    High: 24 °C

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms. Some of the storms could produce heavy rainfall.  Low around 19. Southeast wind 11 to 14 km/h.  Chance of precipitation is 90%.

    Heavy Rain

    Low: 19 °C

  • Sunday

    Sunday: Showers and thunderstorms. Some of the storms could produce heavy rain.  High near 24. South wind 16 to 23 km/h, with gusts as high as 47 km/h.  Chance of precipitation is 80%.

    Heavy Rain

    High: 24 °C

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 10. Chance of precipitation is 60%.

    Heavy Rain

    Low: 10 °C

  • Monday

    Monday: A 20 percent chance of showers after 1pm.  Mostly cloudy, with a high near 14.

    Partly Sunny
    then Slight
    Chance
    Showers

    High: 14 °C

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 8.

    Partly Cloudy

    Low: 8 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20.

    Mostly Sunny

    High: 20 °C

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 19. Southeast wind 16 to 21 km/h, with gusts as high as 34 km/h.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rain. Low around 15. South wind 5 to 10 km/h becoming calm. Chance of precipitation is 90%.
Saturday
Showers and thunderstorms. Some of the storms could produce heavy rain. High near 24. East wind 11 to 16 km/h becoming south in the afternoon. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 19. Southeast wind 11 to 14 km/h. Chance of precipitation is 90%.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rain. High near 24. South wind 16 to 23 km/h, with gusts as high as 47 km/h. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 14.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 20.
Tuesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 9.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 19.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 9.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 17.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 164 m)
11:31 am CDT Apr 28, 2017
1pm CDT Apr 28, 2017-6pm CDT May 4, 2017
 
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