Severe Thunderstorm and Flash Flooding Risks from Southern Plains to Midwest; Heat Wave Developing in the Southeast

Severe thunderstorms and flash flooding will again be possible from the Southern Plains into the Midwest on Friday. Periodic risks of severe thunderstorms, along with flash flooding, are forecast from the Central and Southern Plains to the Great Lakes and Northeast into the Memorial Day weekend. Temperatures across much of the East will run above normal where they will hold into Memorial Day. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

75°F

24°C

Humidity 71%
Wind Speed SE 7 mph
Barometer 30.07 in (1017.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 23 May 10:51 pm CDT
Extended Forecast for

Saint Charles MO

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Tonight

    Tonight: Isolated showers and thunderstorms before 2am.  Mostly cloudy, with a low around 71. East wind around 6 mph becoming south after midnight.  Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 71 °F

  • Friday

    Friday: Mostly sunny, with a high near 90. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Mostly Sunny

    High: 90 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 70. South wind around 9 mph.

    Partly Cloudy

    Low: 70 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 87. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Chance
    T-storms

    High: 87 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 68. South wind 6 to 8 mph.

    Partly Cloudy
    then Chance
    T-storms

    Low: 68 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 68.

    Partly Cloudy

    Low: 68 °F

  • Memorial
    Day

    Memorial Day: Partly sunny, with a high near 88.

    Partly Sunny

    High: 88 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. East wind around 6 mph becoming south after midnight. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 90. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 70. South wind around 9 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South wind 6 to 8 mph.
Sunday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 68.
Memorial Day
Partly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
Saint Charles MO
 38.78°N 90.51°W (Elev. 597 ft)
9:27 pm CDT May 23, 2019
11pm CDT May 23, 2019-6pm CDT May 30, 2019
 
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