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.

Fair

19°F

-7°C

Humidity 68%
Wind Speed Calm
Barometer 30.33 in (1028.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 22 Jan 7:54 am CST
Extended Forecast for

Chesterfield MO

Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Cold Weather Advisory January 24, 12:00am until January 24, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • Today

    Today: Partly sunny, with a high near 39. Calm wind becoming west around 6 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Light northwest wind becoming north 10 to 15 mph in the evening. Winds could gust as high as 23 mph.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 16. North wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 4. Wind chill values as low as -10. Northeast wind around 10 mph.

    Low: 4 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow. High near 13. Northeast wind 7 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 13 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 8. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 17.

    High: 17 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 39. Calm wind becoming west around 6 mph.
Tonight
Partly cloudy, with a low around 9. Light northwest wind becoming north 10 to 15 mph in the evening. Winds could gust as high as 23 mph.
Friday
Mostly cloudy and cold, with a high near 16. North wind 10 to 14 mph, with gusts as high as 24 mph.
Friday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 4. Wind chill values as low as -10. Northeast wind around 10 mph.
Saturday
Snow. High near 13. Northeast wind 7 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow. Low around 8. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 17.
Sunday Night
Partly cloudy, with a low around 1.
Monday
Sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 33.
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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:
4:46 am CST Jan 22, 2026
Forecast Valid:
8am CST Jan 22, 2026-6pm CST Jan 28, 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