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.

Fair

1°F

-17°C

Humidity 68%
Wind Speed W 6 mph
Barometer 30.39 in (1031.4 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 26 Jan 1:51 am CST
Extended Forecast for

Florissant MO

Extreme Cold Warning January 26, 02:45am until January 26, 12:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 02:45am until January 26, 12:00pm

    NOW until 12:00pm Mon

    Extreme Cold Warning

  • Overnight

    Low: -6 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 15. Wind chill values as low as -25. West wind 7 to 9 mph.

    High: 15 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 6. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 30. West wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.

    Low: 1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 20.

    High: 20 °F

    Cold

Detailed Forecast

Overnight
Mostly clear, with a low around -6. Wind chill values as low as -20. Northwest wind around 9 mph.
Monday
Sunny and cold, with a high near 15. Wind chill values as low as -25. West wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 6. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 30. West wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 5.
Thursday
Mostly cloudy and cold, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Mostly sunny and cold, with a high near 17.
Friday Night
Mostly clear, with a low around -1.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.8°N 90.31°W (Elev. 525 ft)
Last Update:
2:06 am CST Jan 26, 2026
Forecast Valid:
2am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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