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

Very Heavy Rainfall and High Risk Flood Event in the South-Central U.S.

Thunderstorms, some severe, will continue to produce tremendously heavy rainfall over the same areas through the day today. The area with the greatest potential for excessive rainfall includes Oklahoma, Arkansas, and Missouri. Very heavy rains will extend broadly from the Southern Plains to the Upper Midwest. Life threatening flash flooding is expected with these storms. Read More >

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain Fog/Mist

55°F

13°C

Humidity 90%
Wind Speed N 8 mph
Barometer 29.84 in (1010.1 mb)
Dewpoint 52°F (11°C)
Visibility 5.00 mi
Wind Chill53°F (12°C)
Last update 30 Apr 12:51 am CDT
Extended Forecast for

Saint Louis 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

  • Overnight

    Overnight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Low around 54. East wind 7 to 10 mph.  Chance of precipitation is 100%.

    Heavy Rain

    Low: 54 °F

  • Sunday

    Sunday: Occasional showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly between 2pm and 4pm. Some of the storms could produce heavy rain.  High near 74. Southeast wind 11 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.

    Heavy Rain

    High: 74 °F

  • Sunday
    Night

    Sunday Night: Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 49. South wind 9 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    Heavy Rain
    then Slight
    Chance
    Showers

    Low: 49 °F

  • Monday

    Monday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 58. Southwest wind 11 to 16 mph, with gusts as high as 32 mph.

    Slight Chance
    Showers

    High: 58 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 48. West wind 9 to 13 mph, with gusts as high as 24 mph.

    Partly Cloudy

    Low: 48 °F

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    Sunny

    High: 70 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    Low: 50 °F

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm.  Cloudy, with a high near 62. Chance of precipitation is 60%.

    Showers
    Likely

    High: 62 °F

Detailed Forecast

Overnight
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Low around 54. East wind 7 to 10 mph. Chance of precipitation is 100%.
Sunday
Occasional showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly between 2pm and 4pm. Some of the storms could produce heavy rain. High near 74. Southeast wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Sunday Night
Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 49. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 58. Southwest wind 11 to 16 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 48. West wind 9 to 13 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before 1pm. Cloudy, with a high near 62. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
11:43 pm CDT Apr 29, 2017
1am CDT Apr 30, 2017-6pm CDT May 6, 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