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

60°F

16°C

Humidity 75%
Wind Speed Calm
Barometer 29.99 in (1014.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 11 Oct 1:51 am CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. Light and variable wind becoming southwest around 6 mph in the evening.

    Low: 67 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 95. Southwest wind 6 to 11 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 72. Southwest wind around 8 mph.

    Low: 72 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. Calm wind.
Sunday
Sunny, with a high near 89. Calm wind.
Sunday Night
Partly cloudy, with a low around 67. Light and variable wind becoming southwest around 6 mph in the evening.
Columbus Day
Sunny, with a high near 95. Southwest wind 6 to 11 mph.
Monday Night
Clear, with a low around 72. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 95.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.
Wednesday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
Last Update:
1:26 am CDT Oct 11, 2026
Forecast Valid:
2am CDT Oct 11, 2026-6pm CDT Oct 17, 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