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

68°F

20°C

Humidity 59%
Wind Speed S 20 G 31 mph
Barometer 29.39 in (994.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 15 Mar 1:51 pm CDT
Extended Forecast for

Saint Louis MO

Tornado Watch until March 15, 08:00pm
Wind Advisory until March 16, 12:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch until March 15, 08:00pm
    Wind Advisory until March 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 69 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Rain and snow before 1am, then a chance of snow. Low around 23. Breezy, with a west wind around 23 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Breezy.
    Rain/Snow
    then Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of snow before noon, then a chance of flurries between noon and 1pm. Cloudy, with a high near 29. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    High: 29 °F

    Blustery.
    Slight Chance
    Snow then
    Chance
    Flurries

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Northwest wind 5 to 7 mph becoming southwest in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe. High near 69. Breezy, with a south wind around 23 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Tonight
Rain and snow before 1am, then a chance of snow. Low around 23. Breezy, with a west wind around 23 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow before noon, then a chance of flurries between noon and 1pm. Cloudy, with a high near 29. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 16. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 36. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 77.
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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:
1:36 pm CDT Mar 15, 2026
Forecast Valid:
2pm CDT Mar 15, 2026-6pm CDT Mar 21, 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