Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

36°F

2°C

Humidity 70%
Wind Speed E 8 mph
Barometer 30.15 in (1021.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 2 Feb 5:51 pm CST
Extended Forecast for

Florissant MO

  • Tonight

    Tonight: A slight chance of freezing rain after 3am.  Mostly cloudy, with a low around 29. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Tuesday

    Tuesday: A chance of freezing rain before 7am, then a chance of snow between 7am and 11am.  Mostly cloudy, with a high near 34. North wind 6 to 9 mph.  Chance of precipitation is 30%.

    High: 34 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. North wind 3 to 6 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. North wind 3 to 6 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. Light and variable wind.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Thursday Night

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

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of freezing rain after 3am. Mostly cloudy, with a low around 29. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday
A chance of freezing rain before 7am, then a chance of snow between 7am and 11am. Mostly cloudy, with a high near 34. North wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 18. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 30. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 17. Light and variable wind.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.8°N 90.31°W (Elev. 525 ft)
4:46 pm CST Feb 2, 2026
5pm CST Feb 2, 2026-6pm CST Feb 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database