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.

Mostly Cloudy

52°F

11°C

Humidity 47%
Wind Speed NW 7 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 1 Nov 11:51 am CDT
Extended Forecast for

Florissant MO

Freeze Watch November 2, 02:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 52. West wind around 9 mph.

    High: 52 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Slight Chance
    Rain then
    Patchy Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. South wind 3 to 6 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Southwest wind 6 to 9 mph becoming west in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 52. West wind around 9 mph.
Tonight
A 20 percent chance of rain before 8pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 40. South wind 3 to 6 mph.
Monday
Sunny, with a high near 65. Southwest wind 6 to 9 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 68.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 53.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Florissant MO
 38.78°N 90.34°W (Elev. 528 ft)
Last Update:
12:01 pm CDT Nov 1, 2025
Forecast Valid:
12pm CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation