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

61°F

16°C

Humidity 32%
Wind Speed W 12 mph
Barometer 29.75 in (1007.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 13 Jan 3:54 pm CST
Extended Forecast for

Chesterfield MO

  • Tonight

    Tonight: A slight chance of rain before 4am, then a chance of sprinkles between 4am and 5am. Mostly cloudy, with a low around 38. West wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of sprinkles, mixing with flurries after 8am, then gradually ending. Mostly cloudy through mid morning, then gradual clearing, with a temperature falling to around 31 by 5pm. Breezy, with a north wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 40 °F⇓

    Chance
    Sprinkles/Flurries
    then Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Clear, with a low around 17. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 36. Northwest wind around 6 mph becoming south in the afternoon.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 28. South wind 5 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 28 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain before 4am, then a chance of sprinkles between 4am and 5am. Mostly cloudy, with a low around 38. West wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
A chance of sprinkles, mixing with flurries after 8am, then gradually ending. Mostly cloudy through mid morning, then gradual clearing, with a temperature falling to around 31 by 5pm. Breezy, with a north wind 14 to 20 mph, with gusts as high as 31 mph.
Wednesday Night
Clear, with a low around 17. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 36. Northwest wind around 6 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 28. South wind 5 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 18.
M.L.King Day
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 34.
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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 13, 2026
Forecast Valid:
4pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
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Additional Resources

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Chance of Precipitation