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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

30°F

-1°C

Humidity 47%
Wind Speed NW 12 mph
Barometer 30.37 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 9 Nov 7:50 pm CST
Extended Forecast for

4 Miles WNW Chesterfield IL

  • Tonight

    Tonight: Scattered flurries between 3am and 5am. Partly cloudy, with a low around 22. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Scattered
    Flurries

  • Monday

    Monday: Sunny, with a high near 39. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 21. Light and variable wind becoming south 5 to 8 mph after midnight.

    Low: 21 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 54. South wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. Southwest wind 6 to 9 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered flurries between 3am and 5am. Partly cloudy, with a low around 22. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 39. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Monday Night
Increasing clouds, with a low around 21. Light and variable wind becoming south 5 to 8 mph after midnight.
Veterans Day
Partly sunny, with a high near 54. South wind 9 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 35. Southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 72.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Chesterfield IL
 39.26°N 90.15°W (Elev. 541 ft)
Last Update:
6:41 pm CST Nov 9, 2025
Forecast Valid:
8pm CST Nov 9, 2025-6pm CST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

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