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.

Light Snow and Windy

21°F

-6°C

Humidity 71%
Wind Speed W 26 G 40 mph
Barometer 29.92 in (1014.1 mb)
Dewpoint 13°F (-11°C)
Visibility 7.00 mi
Wind Chill4°F (-16°C)
Last update 16 Mar 7:51 am CDT
Extended Forecast for

Florissant MO

Wind Advisory March 16, 08:40am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 08:40am until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Today

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Chance
    Flurries

  • Tonight

    Tonight: Partly cloudy, with a low around 15. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 36. Northwest wind 6 to 9 mph becoming south in the afternoon.

    High: 36 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 32. Southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. South wind 8 to 10 mph becoming west in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of flurries with a slight chance of snow before noon, then a chance of flurries between noon and 1pm. Cloudy, with a high near 28. Blustery, with a northwest wind 21 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 15. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 36. Northwest wind 6 to 9 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 32. Southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 64. South wind 8 to 10 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.8°N 90.31°W (Elev. 525 ft)
Last Update:
5:41 am CDT Mar 16, 2026
Forecast Valid:
8am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation