National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

66°F

19°C

Humidity 70%
Wind Speed W 10 mph
Barometer 29.82 in (1008.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 22 May 3:51 am CDT
Extended Forecast for

Dellwood MO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Increasing clouds, with a high near 78. West wind 6 to 9 mph.

    High: 78 °F

    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 62. Northwest wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 81. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 68. Southeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. South wind 7 to 10 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Increasing clouds, with a high near 78. West wind 6 to 9 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 62. Northwest wind around 6 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 81. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Thursday Night
A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 68. Southeast wind around 6 mph. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. South wind 7 to 10 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.
Saturday
Sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Memorial Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Dellwood MO
 38.75°N 90.28°W (Elev. 502 ft)
Last Update:
2:53 am CDT May 22, 2024
Forecast Valid:
4am CDT May 22, 2024-6pm CDT May 28, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation