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.

Overcast

60°F

16°C

Humidity 65%
Wind Speed Calm
Barometer 29.99 in (1015.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 28 Apr 2:51 pm CDT
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 70. Northeast wind around 5 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 53. Northeast wind around 7 mph becoming north after midnight. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. North wind 5 to 8 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 68. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 70. Northeast wind around 5 mph. Chance of precipitation is 50%.
Tonight
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 53. Northeast wind around 7 mph becoming north after midnight. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 66. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 46. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 68. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 72.
Sunday Night
A 20 percent chance of showers. Mostly clear, with a low around 52.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
1:36 pm CDT Apr 28, 2026
Forecast Valid:
3pm CDT Apr 28, 2026-6pm CDT May 5, 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