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.

Overcast

8°F

-13°C

Humidity 29%
Wind Speed N 14 mph
Barometer 30.69 in (1040.9 mb)
Dewpoint -18°F (-28°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 23 Jan 3:54 pm CST
Extended Forecast for

Chesterfield MO

Cold Weather Advisory until January 24, 12:00pm
Winter Storm Warning January 24, 12:00am 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

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • This Afternoon

    High: 8 °F

    Cold

  • Tonight

    Tonight: Cloudy, with a low around 3. Wind chill values as low as -10. Northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Cloudy

  • Saturday

    Saturday: Snow, mainly after noon. High near 12. Wind chill values as low as -10. Northeast wind 8 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow, mainly after 9pm. Low around 9. North wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F

    Snow

  • Sunday

    Sunday: Snow. High near 16. North wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 16 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 16.

    High: 16 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly cloudy and cold, with a steady temperature around 8. North wind around 13 mph, with gusts as high as 21 mph.
Tonight
Cloudy, with a low around 3. Wind chill values as low as -10. Northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
Snow, mainly after noon. High near 12. Wind chill values as low as -10. Northeast wind 8 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow, mainly after 9pm. Low around 9. North wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. High near 16. North wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 0.
Monday
Sunny and cold, with a high near 16.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 6.
Friday
Mostly sunny, with a high near 23.
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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:
3:16 pm CST Jan 23, 2026
Forecast Valid:
4pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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