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

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

36°F

2°C

Humidity 64%
Wind Speed W 5 mph
Barometer 30.04 in (1017.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 12:54 am CST
Extended Forecast for

Chesterfield MO

  • Overnight

    Overnight: Mostly clear, with a low around 34. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 65. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 65 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 7pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 33 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. North wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain and snow after noon. Partly sunny, with a high near 43. Chance of precipitation is 20%.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 34. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.
Tuesday
Increasing clouds, with a high near 65. West wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 30 percent chance of rain, mainly between 7pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 43. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 17. North wind 8 to 14 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A slight chance of rain and snow after noon. Partly sunny, with a high near 43. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
12:21 am CST Jan 13, 2026
Forecast Valid:
1am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation