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.

Partly Cloudy

71°F

22°C

Humidity 63%
Wind Speed S 7 mph
Barometer 30.14 in (1019.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 24 Jun 1:51 am CDT
Extended Forecast for

2 Miles SE Saint Charles MO

  • Overnight

    Overnight: Partly cloudy, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm. Partly sunny, with a high near 84. Southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 40%.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers after 4am. Partly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. Southeast wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 68 °F

    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    T-storms
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. Southeast wind around 5 mph.
Wednesday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm. Partly sunny, with a high near 84. Southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers after 4am. Partly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. Southeast wind 3 to 6 mph. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 84. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 97.
Monday Night
Clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Saint Charles MO
 38.78°N 90.48°W (Elev. 440 ft)
Last Update:
1:56 am CDT Jun 24, 2026
Forecast Valid:
2am CDT Jun 24, 2026-6pm CDT Jun 30, 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