Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

72°F

22°C

Humidity 73%
Wind Speed S 14 mph
Barometer 29.72 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 10 Mar 8:50 pm CDT
Extended Forecast for

2 Miles ENE Chesterfield IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 3am and 4am, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 49. South wind 14 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    Low: 49 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm.  Temperature falling to around 46 by 4pm. 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 90%.

    High: 64 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 29. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 52. West wind 5 to 11 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 1am.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 49. South wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Temperature falling to around 46 by 4pm. 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 90%.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 29. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Mostly sunny, with a high near 52. West wind 5 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 64.
Saturday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 45.
Sunday
Rain and possibly a thunderstorm. High near 61. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 18. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Chesterfield IL
 39.28°N 90.03°W (Elev. 604 ft)
6:00 pm CDT Mar 10, 2026
9pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
 
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Additional Resources

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