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

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

92°F

33°C

Humidity 34%
Wind Speed SW 17 G 23 mph
Barometer 29.86 in (1009.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 12 Oct 3:51 pm CDT
Extended Forecast for

2 Miles ENE Saint Charles MO

  • Tonight

    Tonight: Mostly clear, with a low around 70. Southwest wind 7 to 9 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 100. Southwest wind 6 to 9 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 72. South wind 5 to 8 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 81. Light and variable wind becoming west around 5 mph. Chance of precipitation is 100%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 70%.

    Low: 67 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 64. Breezy.

    High: 64 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 95. Heat index values as high as 100. Southwest wind 6 to 9 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 72. South wind 5 to 8 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 81. Light and variable wind becoming west around 5 mph. Chance of precipitation is 100%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 64. Breezy.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Saint Charles MO
 38.8°N 90.48°W (Elev. 456 ft)
Last Update:
3:16 pm CDT Oct 12, 2026
Forecast Valid:
3pm CDT Oct 12, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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