National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

24°F

-4°C

Humidity 50%
Wind Speed N 14 mph
Barometer 30.40 in (1030.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 23 Jan 12:51 am CST
Extended Forecast for

Florissant MO

Cold Weather Advisory January 24, 12:00am until January 24, 12:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • Overnight

    Overnight: Partly cloudy, with a low around 8. North wind 11 to 17 mph, with gusts as high as 25 mph.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 13. Wind chill values as low as -10. North wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 13 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 5. Wind chill values as low as -10. Northeast wind around 11 mph.

    Low: 5 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow, mainly after 9am. High near 12. Northeast wind 8 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 12 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 10. North wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 10 °F

    Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Cloudy and cold, with a high near 15. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 15 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 18.

    High: 18 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 8. North wind 11 to 17 mph, with gusts as high as 25 mph.
Friday
Partly sunny and cold, with a high near 13. Wind chill values as low as -10. North wind 13 to 18 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 5. Wind chill values as low as -10. Northeast wind around 11 mph.
Saturday
Snow, mainly after 9am. High near 12. Northeast wind 8 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. Low around 10. North wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow likely, mainly before noon. Cloudy and cold, with a high near 15. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 0.
Monday
Sunny and cold, with a high near 18.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
Partly sunny and cold, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.8°N 90.31°W (Elev. 525 ft)
Last Update:
10:26 pm CST Jan 22, 2026
Forecast Valid:
12am CST Jan 23, 2026-6pm CST Jan 29, 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