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.

Snow Fog/Mist

26°F

-3°C

Humidity 88%
Wind Speed Calm
Barometer 30.23 in (1024.1 mb)
Dewpoint 23°F (-5°C)
Visibility 2.00 mi
Last update 1 Dec 1:53 pm CST
Extended Forecast for

4 Miles E Maeystown IL

Winter Weather Advisory December 1, 02:34pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 1, 02:34pm until December 2, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 27 °F

    Snow Likely

  • Tonight

    Tonight: Snow, mainly before midnight. Low around 20. Calm wind becoming northwest 5 to 7 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 31. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 31 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind becoming south around 6 mph in the evening.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. South wind 5 to 7 mph becoming west in the afternoon.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow likely, mainly before 3pm. Cloudy, with a high near 27. Calm wind. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before midnight. Low around 20. Calm wind becoming northwest 5 to 7 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 31. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Calm wind becoming south around 6 mph in the evening.
Wednesday
Partly sunny, with a high near 41. South wind 5 to 7 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Partly cloudy, with a low around 14.
Friday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Mostly cloudy, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Maeystown IL
 38.24°N 90.16°W (Elev. 692 ft)
Last Update:
2:31 pm CST Dec 1, 2025
Forecast Valid:
2pm CST Dec 1, 2025-6pm CST Dec 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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