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.

Mostly Cloudy

48°F

9°C

Humidity 63%
Wind Speed W 5 mph
Barometer 30.13 in (1020.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 1 Nov 9:51 am CDT
Extended Forecast for

Saint Charles MO

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

  • Today

    Today: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 51. West wind 5 to 8 mph.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Calm wind becoming south around 6 mph in the evening.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Southwest wind 6 to 8 mph becoming west in the afternoon.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 51. West wind 5 to 8 mph.
Tonight
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 54. Light and variable wind.
Sunday Night
Clear, with a low around 39. Calm wind becoming south around 6 mph in the evening.
Monday
Sunny, with a high near 63. Southwest wind 6 to 8 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 70.
Wednesday Night
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 53.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MO
 38.78°N 90.51°W (Elev. 597 ft)
Last Update:
9:37 am CDT Nov 1, 2025
Forecast Valid:
10am CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation