Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

50°F

10°C

Humidity 41%
Wind Speed N 13 mph
Barometer 30.51 in (1033.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 27 Mar 6:51 pm CDT
Extended Forecast for

Saint Louis MO

Frost Advisory March 28, 01:00am until March 28, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 33. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the morning.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 70. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. South wind around 9 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms after 1pm.  Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 33. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
Increasing clouds, with a low around 41. South wind around 7 mph.
Sunday
Partly sunny, with a high near 70. South wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind around 9 mph.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 85.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Wednesday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
Rain and thunderstorms likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Friday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
5:41 pm CDT Mar 27, 2026
7pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database