Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

18°F

-8°C

Humidity 84%
Wind Speed Calm
Barometer 30.35 in (1029.3 mb)
Dewpoint 14°F (-10°C)
Visibility 9.00 mi
Last update 5 Feb 12:51 am CST
Extended Forecast for

Florissant MO

  • Overnight

    Overnight: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40. Calm wind becoming south 5 to 8 mph in the morning.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. South wind 5 to 8 mph becoming west in the evening.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. West wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. North wind 6 to 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 17. Calm wind.
Thursday
Partly sunny, with a high near 40. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 31. South wind 5 to 8 mph becoming west in the evening.
Friday
Mostly sunny, with a high near 48. West wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 25. North wind 6 to 10 mph.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 43.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 64.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.8°N 90.31°W (Elev. 525 ft)
12:26 am CST Feb 5, 2026
1am CST Feb 5, 2026-6pm CST Feb 11, 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