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.

Partly Cloudy

42°F

6°C

Humidity 85%
Wind Speed W 7 mph
Barometer 30.17 in (1022.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 1 Nov 8:51 pm CDT
Extended Forecast for

Dellwood MO

Frost Advisory November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm. Patchy frost after 2am. Otherwise, mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Slight Chance
    Rain then
    Patchy Frost

  • Sunday

    Sunday: Patchy fog before 10am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 55 °F

    Frost and
    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. South wind 3 to 6 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Southwest wind 5 to 8 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain before 11pm. Patchy frost after 2am. Otherwise, mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 10am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 40. South wind 3 to 6 mph.
Monday
Sunny, with a high near 65. Southwest wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 67.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 55.
Friday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 51.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dellwood MO
 38.75°N 90.28°W (Elev. 502 ft)
Last Update:
9:41 pm CDT Nov 1, 2025
Forecast Valid:
9pm CDT Nov 1, 2025-6pm CST Nov 8, 2025
 
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