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

81°F

27°C

Humidity 72%
Wind Speed E 7 mph
Barometer 29.87 in (1009.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 21 Sep 12:51 am CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly cloudy, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning.

    High: 89 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 84. West wind 3 to 6 mph. Chance of precipitation is 90%.

    High: 84 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 68. North wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 68 °F

    Heavy Rain

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 73. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly cloudy, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm. High near 84. West wind 3 to 6 mph. Chance of precipitation is 90%.
Sunday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 68. North wind 3 to 6 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
10:37 pm CDT Sep 20, 2024
Forecast Valid:
1am CDT Sep 21, 2024-6pm CDT Sep 27, 2024
 
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