National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Light Snow

5°F

-15°C

Humidity 69%
Wind Speed NE 10 mph
Barometer 30.47 in (1033.8 mb)
Dewpoint -3°F (-19°C)
Visibility 1.50 mi
Wind Chill-10°F (-23°C)
Last update 24 Jan 1:54 pm CST
Extended Forecast for

Chesterfield MO

Cold Weather Advisory January 26, 12:00am until January 26, 12:00pm
Winter Storm Warning January 24, 02:46pm until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Winter Storm Warning January 24, 02:46pm until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Storm Warning

  • This Afternoon

    High: 12 °F

    Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 9. North 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 10 to 14 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: Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -20. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: -3 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny and cold, with a high near 17. Northwest wind 7 to 10 mph.

    High: 17 °F

    Cold

  • Monday Night

    Monday Night: Clear, with a low around 6.

    Low: 6 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 12. 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. North 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 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -20. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Monday
Sunny and cold, with a high near 17. Northwest wind 7 to 10 mph.
Monday Night
Clear, with a low around 6.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 4.
Friday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
1:46 pm CST Jan 24, 2026
Forecast Valid:
2pm CST Jan 24, 2026-6pm CST Jan 30, 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