Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

63°F

17°C

Humidity 78%
Wind Speed S 7 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 23 Apr 4:51 am CDT
Extended Forecast for

Frontenac MO

  • Today

    Today: Sunny, with a high near 84. South wind 6 to 15 mph, with gusts as high as 28 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 4am.  Partly cloudy, with a low around 63. South wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    Low: 63 °F

    Partly Cloudy
    then T-storms
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  High near 74. Southwest wind around 9 mph becoming west in the afternoon.  Chance of precipitation is 80%.

    High: 74 °F

    T-storms then
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. North wind around 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. Northeast wind 5 to 7 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 84. South wind 6 to 15 mph, with gusts as high as 28 mph.
Tonight
Showers and thunderstorms likely, mainly after 4am. Partly cloudy, with a low around 63. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 74. Southwest wind around 9 mph becoming west in the afternoon. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 52. North wind around 6 mph.
Saturday
Sunny, with a high near 77. Northeast wind 5 to 7 mph.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Monday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 52.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Frontenac MO
 38.62°N 90.4°W (Elev. 597 ft)
3:16 am CDT Apr 23, 2026
5am CDT Apr 23, 2026-6pm CDT Apr 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database