Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

79°F

26°C

Humidity 61%
Wind Speed N 8 mph
Barometer 30.05 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 15 Jun 2:50 pm CDT
Extended Forecast for

2 Miles WNW Chesterfield IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 82. Northeast wind around 6 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. East wind around 6 mph becoming calm  in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 83. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South wind 3 to 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the morning.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm.  Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 82. Northeast wind around 6 mph.
Tonight
Mostly cloudy, with a low around 67. East wind around 6 mph becoming calm in the evening.
Monday
A slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 66. South wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67.
Juneteenth
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Chesterfield IL
 39.26°N 90.09°W (Elev. 571 ft)
2:36 pm CDT Jun 15, 2025
2pm CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database