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

4°F

-16°C

Humidity 76%
Wind Speed NE 10 mph
Barometer 30.59 in (1036.9 mb)
Dewpoint -2°F (-19°C)
Visibility 1.25 mi
Wind Chill-11°F (-24°C)
Last update 24 Jan 10:53 am CST
Extended Forecast for

Lemay MO

Cold Weather Advisory until January 24, 12:00pm
Winter Storm Warning January 24, 11:04am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory until January 24, 12:00pm
    Winter Storm Warning January 24, 11:04am until January 25, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 12 °F

    Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 9. Northeast wind 7 to 9 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 9 to 13 mph, with gusts as high as 23 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 -1. Wind chill values as low as -15. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: -1 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny and cold, with a high near 18. West wind 6 to 9 mph.

    High: 18 °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

Today
Snow. High near 12. Northeast wind around 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. The snow could be heavy at times. Low around 9. Northeast wind 7 to 9 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 9 to 13 mph, with gusts as high as 23 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 -1. 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 18. West 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemay MO
 38.53°N 90.29°W (Elev. 456 ft)
Last Update:
10:51 am CST Jan 24, 2026
Forecast Valid:
11am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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