Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

77°F

25°C

Humidity 69%
Wind Speed S 17 mph
Barometer 29.85 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Mar 11:50 am CDT
Extended Forecast for

2 Miles WNW Chesterfield IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am.  Low around 49. South wind 14 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%.

    Low: 49 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then a slight chance of rain between 2pm and 3pm.  Temperature falling to around 47 by 5pm. Breezy, with a west wind 15 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 100%.

    High: 64 °F

    Breezy. Rain
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 53. Light and variable wind becoming southwest 8 to 13 mph in the morning.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 49. South wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before 2pm, then a slight chance of rain between 2pm and 3pm. Temperature falling to around 47 by 5pm. Breezy, with a west wind 15 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 53. Light and variable wind becoming southwest 8 to 13 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 42. Breezy.
Friday
Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 44.
Sunday
Rain likely. Cloudy, with a high near 58. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Chesterfield IL
 39.26°N 90.12°W (Elev. 551 ft)
10:51 am CDT Mar 10, 2026
12pm CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database