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

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fog/Mist

48°F

9°C

Humidity 93%
Wind Speed S 7 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 46°F (8°C)
Visibility 4.00 mi
Wind Chill45°F (7°C)
Last update 23 Nov 7:53 pm CST
Extended Forecast for

2 Miles SE Crystal City MO

Dense Fog Advisory until November 24, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 24, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Tonight

    Low: 45 °F

    Cloudy then
    Dense Fog

  • Monday

    Monday: Rain likely, mainly after 2pm. Patchy dense fog before 8am. Otherwise, cloudy, with a high near 57. Southeast wind 3 to 7 mph. Chance of precipitation is 70%.

    High: 57 °F

    Slight Chance
    Rain and
    Patchy Dense
    Fog then Rain
    Likely

  • Monday Night

    Monday Night: Rain before 9pm, then rain and possibly a thunderstorm between 9pm and midnight, then a chance of rain after midnight. Patchy fog between 7pm and 1am. Low around 49. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%.

    Low: 49 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. Calm wind becoming west around 6 mph in the morning.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. West wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Tonight
Widespread dense fog, mainly after 4am. Otherwise, cloudy, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.
Monday
Rain likely, mainly after 2pm. Patchy dense fog before 8am. Otherwise, cloudy, with a high near 57. Southeast wind 3 to 7 mph. Chance of precipitation is 70%.
Monday Night
Rain before 9pm, then rain and possibly a thunderstorm between 9pm and midnight, then a chance of rain after midnight. Patchy fog between 7pm and 1am. Low around 49. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%.
Tuesday
Mostly cloudy, with a high near 63. Calm wind becoming west around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 34. West wind 6 to 13 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 27.
Thanksgiving Day
Sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 46.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 45.
Saturday Night
Rain likely. Cloudy, with a low around 36. Chance of precipitation is 60%.
Sunday
Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Crystal City MO
 38.2°N 90.36°W (Elev. 692 ft)
Last Update:
7:31 pm CST Nov 23, 2025
Forecast Valid:
8pm CST Nov 23, 2025-6pm CST Nov 30, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation