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

48°F

9°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.57 in (1001.3 mb)
Dewpoint 48°F (9°C)
Visibility 0.25 mi
Wind Chill46°F (8°C)
Last update 19 Feb 5:53 am CST
Extended Forecast for

3 Miles E Millstadt IL

Dense Fog Advisory until February 19, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until February 19, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Today

    High: 69 °F

    Chance
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 10 to 18 mph, with gusts as high as 31 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. West wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. North wind 3 to 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 46. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Today
A chance of rain and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 69. South wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tonight
Mostly clear, with a low around 36. West wind 10 to 18 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 49. West wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Partly cloudy, with a low around 30. North wind 3 to 6 mph.
Saturday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 46. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Millstadt IL
 38.46°N 90.04°W (Elev. 499 ft)
Last Update:
4:26 am CST Feb 19, 2026
Forecast Valid:
6am CST Feb 19, 2026-6pm CST Feb 25, 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