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Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

67°F

19°C

Humidity 66%
Wind Speed S 18 G 31 mph
Barometer 29.31 in (991.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Mar 3:51 pm CDT
Extended Forecast for

Florissant MO

Tornado Watch March 15, 04:26pm until March 15, 08:00pm
Wind Advisory March 15, 04:26pm until March 16, 12:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch March 15, 04:26pm until March 15, 08:00pm
    Wind Advisory March 15, 04:26pm 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 before 9pm, then a chance of rain and snow between 9pm and 11pm, then a chance of snow after 11pm. Low around 22. Blustery, with a west wind 24 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Rain/Snow and
    Breezy then
    Chance Snow
    and Blustery

  • Monday

    Monday: A slight chance of snow before 11am, then scattered flurries between 11am and 1pm. Cloudy, with a high near 28. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Scattered
    Flurries

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Northwest wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 31 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 69. Breezy, with a southwest wind around 23 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Tonight
Rain before 9pm, then a chance of rain and snow between 9pm and 11pm, then a chance of snow after 11pm. Low around 22. Blustery, with a west wind 24 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow before 11am, then scattered flurries between 11am and 1pm. Cloudy, with a high near 28. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 15. Northwest wind 11 to 18 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 36. Northwest wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 62.
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.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.78°N 90.34°W (Elev. 528 ft)
Last Update:
3:41 pm CDT Mar 15, 2026
Forecast Valid:
4pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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