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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fog/Mist

47°F

8°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 47°F (8°C)
Visibility 0.75 mi
Last update 23 Nov 11:53 pm CST
Extended Forecast for

2 Miles SSE Belleville IL

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

  • Overnight

    Low: 46 °F

    Areas Dense
    Fog

  • Monday

    Monday: Isolated showers before 9am, then scattered showers after noon. Areas of dense fog before 11am. Otherwise, cloudy, with a high near 52. South wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 52 °F

    Isolated
    Showers and
    Areas Dense
    Fog then
    Scattered
    Showers

  • Monday Night

    Monday Night: Rain. Low around 50. Southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 100%.

    Low: 50 °F

    Rain then
    Rain Likely

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 63. Calm wind becoming west 5 to 7 mph in the morning.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. West wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 37 °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 29.

    Low: 29 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, cloudy, with a low around 46. South wind around 6 mph.
Monday
Isolated showers before 9am, then scattered showers after noon. Areas of dense fog before 11am. Otherwise, cloudy, with a high near 52. South wind 6 to 9 mph. Chance of precipitation is 50%.
Monday Night
Rain. Low around 50. Southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 100%.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 63. Calm wind becoming west 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 37. West wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 29.
Thanksgiving Day
Sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 44.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
Saturday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Sunday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Belleville IL
 38.5°N 89.98°W (Elev. 495 ft)
Last Update:
12:36 am CST Nov 24, 2025
Forecast Valid:
12am CST Nov 24, 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