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

37°F

3°C

Humidity 70%
Wind Speed W 6 mph
Barometer 30.32 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Mar 8:50 am CDT
Extended Forecast for

4 Miles NE Chesterfield IL

Wind Advisory March 12, 10:00pm until March 13, 11:00am
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Sunny, with a high near 54. West wind 7 to 14 mph becoming southwest in the afternoon.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Breezy, with a south wind 14 to 23 mph, with gusts as high as 40 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy, with a west wind 17 to 22 mph, with gusts as high as 34 mph.

    High: 56 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Northwest wind 5 to 8 mph becoming east after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. Southeast wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm, then rain after 1pm. High near 64. Breezy. Chance of precipitation is 90%.

    High: 64 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow likely before 1am, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 60%.

    Low: 19 °F

    Rain/Snow
    Likely and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 29. Blustery.

    High: 29 °F

    Mostly Sunny
    and Blustery

Detailed Forecast

Today
Sunny, with a high near 54. West wind 7 to 14 mph becoming southwest in the afternoon.
Tonight
Mostly cloudy, with a low around 41. Breezy, with a south wind 14 to 23 mph, with gusts as high as 40 mph.
Friday
Partly sunny, with a high near 56. Breezy, with a west wind 17 to 22 mph, with gusts as high as 34 mph.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind 5 to 8 mph becoming east after midnight.
Saturday
Partly sunny, with a high near 59. Southeast wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 48.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 64. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow likely before 1am, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 29. Blustery.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 25.
Wednesday
Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Chesterfield IL
 39.3°N 90.03°W (Elev. 571 ft)
Last Update:
5:56 am CDT Mar 12, 2026
Forecast Valid:
9am CDT Mar 12, 2026-6pm CDT Mar 18, 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