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

36°F

2°C

Humidity 100%
Wind Speed W 3 mph
Barometer 30.22 in (1023.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 2 Nov 1:51 am CST
Extended Forecast for

Des Peres MO

Frost Advisory November 2, 02:46am until November 2, 07:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory November 2, 02:46am until November 2, 07:00am

    NOW until 7:00am Sun

    Frost Advisory

  • Overnight

    Low: 33 °F

    Areas Frost
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 55. Calm wind.

    High: 55 °F

    Frost and
    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Calm wind becoming south around 5 mph after midnight.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind around 6 mph becoming light and variable in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °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 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog after 4am. Areas of frost. Otherwise, mostly clear, with a low around 33. Calm wind.
Sunday
Patchy fog before 9am. Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 55. Calm wind.
Sunday Night
Clear, with a low around 39. Calm wind becoming south around 5 mph after midnight.
Monday
Sunny, with a high near 64. Southwest wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 42. Calm wind.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 67.
Thursday Night
A 20 percent chance of rain and thunderstorms. 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
Mostly clear, with a low around 50.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Des Peres MO
 38.6°N 90.46°W (Elev. 574 ft)
Last Update:
2:26 am CST Nov 2, 2025
Forecast Valid:
2am CST Nov 2, 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