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.

Light Rain

63°F

17°C

Humidity 93%
Wind Speed W 8 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 4 Apr 5:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Today: Showers and possibly a thunderstorm before noon, then a slight chance of showers between noon and 2pm. Some of the storms could produce heavy rainfall. Temperature falling to around 54 by 1pm. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 64 °F⇓

    Heavy Rain
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 40. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 8 to 10 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. West wind 3 to 6 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. Northwest wind 6 to 9 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before noon, then a slight chance of showers between noon and 2pm. Some of the storms could produce heavy rainfall. Temperature falling to around 54 by 1pm. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 40. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 60. Northwest wind 8 to 10 mph.
Sunday Night
Clear, with a low around 42. West wind 3 to 6 mph.
Monday
Sunny, with a high near 62. Northwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.26°W (Elev. 486 ft)
Last Update:
4:36 am CDT Apr 4, 2026
Forecast Valid:
6am CDT Apr 4, 2026-6pm CDT Apr 10, 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