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

48°F

9°C

Humidity 61%
Wind Speed N 13 G 20 mph
Barometer 30.13 in (1019.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 22 Mar 11:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Mostly clear, with a low around 37. North wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. North wind around 10 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of sprinkles after 2am. Mostly cloudy, with a low around 38. East wind around 7 mph.

    Low: 38 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Southeast wind 6 to 8 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Southeast wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Chance
    T-storms then
    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 37. North wind 13 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 55. North wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of sprinkles after 2am. Mostly cloudy, with a low around 38. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 62. Southeast wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 42. Southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 90.
Thursday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 52.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 65.
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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:
1:25 am CDT Mar 23, 2026
Forecast Valid:
1am CDT Mar 23, 2026-6pm CDT Mar 29, 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