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.

Overcast

46°F

8°C

Humidity 76%
Wind Speed N 16 mph
Barometer 29.95 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 11 Mar 1:50 pm CDT
Extended Forecast for

6 Miles SE Chesterfield IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers. Cloudy, with a steady temperature around 43. Breezy, with a northwest wind around 22 mph, with gusts as high as 31 mph.

    High: 43 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 29 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 52. Light west wind becoming southwest 6 to 11 mph in the morning.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Breezy, with a south wind 11 to 21 mph, with gusts as high as 31 mph.

    Low: 41 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57. West wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm, then rain after 1pm. High near 63. Breezy. Chance of precipitation is 80%.

    High: 63 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
A 50 percent chance of showers. Cloudy, with a steady temperature around 43. Breezy, with a northwest wind around 22 mph, with gusts as high as 31 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 52. Light west wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 41. Breezy, with a south wind 11 to 21 mph, with gusts as high as 31 mph.
Friday
Partly sunny, with a high near 57. West wind 13 to 17 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 47.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 63. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 32. Breezy.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Chesterfield IL
 39.21°N 89.98°W (Elev. 568 ft)
Last Update:
1:26 pm CDT Mar 11, 2026
Forecast Valid:
2pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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