Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

64°F

18°C

Humidity 90%
Wind Speed S 10 mph
Barometer 29.76 in (1007.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 3 Nov 10:51 pm CST
Extended Forecast for

Florissant MO

  • Tonight

    Tonight: A chance of rain, mainly before 1am, then a slight chance of drizzle after 3am.  Mostly cloudy, with a low around 56. South wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.

    Low: 56 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62. West wind 8 to 15 mph.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 48. West wind around 7 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 64. West wind 7 to 11 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Northwest wind 5 to 7 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain, mainly before 1am, then a slight chance of drizzle after 3am. Mostly cloudy, with a low around 56. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 62. West wind 8 to 15 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 48. West wind around 7 mph.
Thursday
Sunny, with a high near 64. West wind 7 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 47. Northwest wind 5 to 7 mph.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.78°N 90.34°W (Elev. 528 ft)
9:51 pm CST Nov 3, 2026
11pm CST Nov 3, 2026-6pm CST Nov 10, 2026
 
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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