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

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Heavy Rain Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed SE 7 mph
Barometer 29.97 in (1013.8 mb)
Dewpoint 69°F (21°C)
Visibility 2.00 mi
Last update 26 Jun 6:51 am CDT
Extended Forecast for

Dellwood MO

Flood Watch June 26, 06:55am until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 26, 06:55am until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • Today

    High: 81 °F

    Heavy Rain
    then T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 68. North wind 3 to 7 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 73. Southeast wind around 6 mph.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 95. South wind 7 to 10 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rainfall. High near 81. East wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 100%.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 68. North wind 3 to 7 mph. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Light and variable wind.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 73. Southeast wind around 6 mph.
Sunday
Sunny, with a high near 95. South wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dellwood MO
 38.75°N 90.28°W (Elev. 502 ft)
Last Update:
3:36 am CDT Jun 26, 2026
Forecast Valid:
6am CDT Jun 26, 2026-6pm CDT Jul 2, 2026
 
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