Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

58°F

14°C

Humidity 58%
Wind Speed Calm
Barometer 29.92 in (1012.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 3:51 am CDT
Extended Forecast for

Florissant MO

  • Today

    Today: Mostly sunny, with a high near 85. West wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 63. South wind 5 to 9 mph.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 89. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. West wind 5 to 11 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 51. Northwest wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 81. Light and variable wind becoming south 5 to 7 mph in the morning.
Saturday Night
Clear, with a low around 63. South wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 89. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers. Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.78°N 90.34°W (Elev. 528 ft)
3:21 am CDT Mar 20, 2026
4am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database