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 Mississippi Valley and Midwest

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.

Overcast and Breezy

71°F

22°C

Humidity 81%
Wind Speed SE 23 G 29 mph
Barometer 29.54 in (1000.1 mb)
Dewpoint 65°F (18°C)
Visibility 9.00 mi
Last update 30 Apr 3:51 pm CDT
Extended Forecast for

Saint Louis MO

Flash Flood Watch until May 1, 01:00am
Flood Warning until April 30, 09:00pm
Click here for hazard details and duration
Flash Flood Watch
Flood Warning
  •  
    Flash Flood Watch until May 1, 01:00am
    Flood Warning until April 30, 09:00pm

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • This
    Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rain.  Cloudy, with a high near 71. South wind around 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%.

    Heavy Rain

    High: 71 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 1am.  Mostly cloudy, with a low around 48. South wind 11 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    Showers
    Likely then
    Slight Chance
    Showers

    Low: 48 °F

  • Monday

    Monday: Mostly cloudy, with a high near 57. Southwest wind 11 to 15 mph, with gusts as high as 31 mph.

    Mostly Cloudy

    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 25 mph.

    Decreasing
    Clouds

    Low: 48 °F

  • Tuesday

    Tuesday: Sunny, with a high near 70. West wind 8 to 11 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 60. Chance of precipitation is 70%.

    Showers
    Likely

    High: 60 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely, mainly before 1am.  Cloudy, with a low around 47. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 47 °F

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rain. Cloudy, with a high near 71. South wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 48. South wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 57. Southwest wind 11 to 15 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 25 mph.
Tuesday
Sunny, with a high near 70. West wind 8 to 11 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 60. Chance of precipitation is 70%.
Wednesday Night
Showers likely, mainly before 1am. Cloudy, with a low around 47. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 62.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
1:58 pm CDT Apr 30, 2017
4pm CDT Apr 30, 2017-6pm CDT May 7, 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