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.

Partly Cloudy

40°F

4°C

Humidity 47%
Wind Speed N 8 mph
Barometer 30.63 in (1037.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 28 Mar 1:51 am CDT
Extended Forecast for

Saint Louis MO

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

    NOW until 9:00am Sat

    Frost Advisory

  • Overnight

    Low: 33 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Mostly Clear

  • 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 58. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.

    High: 86 °F

    Chance Rain
    then Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 33. North wind around 7 mph.
Saturday
Sunny, with a high near 57. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
Mostly clear, 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 58. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 48. Chance of precipitation is 90%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 58.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Thursday
Rain 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 46.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 69.
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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:
1:26 am CDT Mar 28, 2026
Forecast Valid:
2am CDT Mar 28, 2026-6pm CDT Apr 3, 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