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.

Light Snow

6°F

-14°C

Humidity 73%
Wind Speed N 12 mph
Barometer 30.52 in (1034.3 mb)
Dewpoint -1°F (-18°C)
Visibility 1.50 mi
Wind Chill-10°F (-23°C)
Last update 24 Jan 12:53 pm CST
Extended Forecast for

Sappington MO

Winter Storm Warning January 24, 01:00pm until January 25, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning January 24, 01:00pm until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Storm Warning

  • This Afternoon

    High: 11 °F

    Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 9. Northeast wind around 8 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 9 °F

    Heavy Snow

  • Sunday

    Sunday: Snow, mainly before 3pm. The snow could be heavy at times. High near 16. North wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 16 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around -2. Wind chill values as low as -15. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: -2 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny and cold, with a high near 17. Northwest wind 6 to 9 mph.

    High: 17 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 11. Northeast wind around 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow. The snow could be heavy at times. Low around 9. Northeast wind around 8 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 3pm. The snow could be heavy at times. High near 16. North wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around -2. Wind chill values as low as -15. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday
Sunny and cold, with a high near 17. Northwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 7.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 3.
Friday
Mostly sunny, with a high near 22.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sappington MO
 38.51°N 90.38°W (Elev. 607 ft)
Last Update:
10:51 am CST Jan 24, 2026
Forecast Valid:
1pm CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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