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

36°F

2°C

Humidity 34%
Wind Speed SW 7 mph
Barometer 29.70 in (1006.3 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 16 Jan 2:54 am CST
Extended Forecast for

Chesterfield MO

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 33. Southwest wind around 8 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain and snow before 10am, then a chance of rain after 4pm. Increasing clouds, with a high near 45. West wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 7pm, then a chance of snow between 7pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28. West wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 33. Southwest wind around 8 mph.
Friday
A slight chance of rain and snow before 10am, then a chance of rain after 4pm. Increasing clouds, with a high near 45. West wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain before 7pm, then a chance of snow between 7pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 28. West wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 12. West wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 41.
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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 am CST Jan 16, 2026
Forecast Valid:
3am CST Jan 16, 2026-6pm CST Jan 22, 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