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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

57°F

14°C

Humidity 48%
Wind Speed SE 12 mph
Barometer 29.83 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 Mar 7:50 pm CDT
Extended Forecast for

3 Miles N Chesterfield IL

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Increasing clouds, with a low around 51. South wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 65. Breezy, with a south wind 18 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

    High: 65 °F

    Breezy.
    Slight Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain before 9pm, then a chance of snow. Low around 18. Windy, with a west wind 26 to 30 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Windy.
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 45 mph.

    High: 25 °F

    Slight Chance
    Snow and
    Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. South wind 11 to 16 mph, with gusts as high as 28 mph.
Sunday
Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 65. Breezy, with a south wind 18 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 9pm, then a chance of snow. Low around 18. Windy, with a west wind 26 to 30 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 45 mph.
Monday Night
Mostly clear, with a low around 10. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Chesterfield IL
 39.3°N 90.09°W (Elev. 515 ft)
Last Update:
5:31 pm CDT Mar 14, 2026
Forecast Valid:
8pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation