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 Rain, Severe Thunderstorms, and High Flash Flood Risk moves into the Mid South and Tennessee Valley

Thunderstorms, some severe, with very heavy rain have moved into the Mid South and Tennessee Valley today. Flash flooding and severe thunderstorms will be possible from the central Gulf Coast to the Upper Great Lakes. The greatest threat of excessive rains will be in portions of the Lower and Middle Mississippi Valleys. This storm system has a history of producing life threatening flash floods. Read More >

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain

52°F

11°C

Humidity 89%
Wind Speed SE 6 mph
Barometer 29.76 in (1007.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 30 Apr 5:51 am CDT
Extended Forecast for

Maryland Heights 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

  • Today

    Today: Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rain.  High near 73. East wind 8 to 16 mph becoming south in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%.

    Heavy Rain

    High: 73 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 7pm, then a slight chance of showers and thunderstorms between 7pm and 11pm, then a slight chance of showers after 11pm.  Mostly cloudy, with a low around 47. Southwest wind 11 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    Showers
    Likely then
    Slight Chance
    Showers

    Low: 47 °F

  • Monday

    Monday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 57. Southwest wind 14 to 16 mph, with gusts as high as 31 mph.

    Slight Chance
    Showers

    High: 57 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. West wind 8 to 13 mph, with gusts as high as 24 mph.

    Decreasing
    Clouds

    Low: 48 °F

  • Tuesday

    Tuesday: Sunny, with a high near 70. West wind 8 to 10 mph.

    Sunny

    High: 70 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Slight Chance
    Showers then
    Showers
    Likely

    Low: 50 °F

  • Wednesday

    Wednesday: Showers likely.  Cloudy, with a high near 61. Chance of precipitation is 70%.

    Showers
    Likely

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 47.

    Chance
    Showers

    Low: 47 °F

Detailed Forecast

Today
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rain. High near 73. East wind 8 to 16 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then a slight chance of showers and thunderstorms between 7pm and 11pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 47. Southwest wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 57. Southwest wind 14 to 16 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. West wind 8 to 13 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 70. West wind 8 to 10 mph.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Wednesday
Showers likely. Cloudy, with a high near 61. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
Maryland Heights MO
 38.72°N 90.48°W (Elev. 440 ft)
4:28 am CDT Apr 30, 2017
6am 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