National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

26°C

78°F

Humidity 66%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 18°C (65°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 21 Jun 11:55 pm CDT
Extended Forecast for

6 Miles ESE Chesterfield IL

  • Overnight

    Overnight: Partly cloudy, with a low around 23. South wind around 11 km/h.

    Low: 23 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Southwest wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon.

    High: 34 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 23. Southwest wind 14 to 21 km/h. Chance of precipitation is 70%.

    Low: 23 °C

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 33. Northwest wind 10 to 14 km/h.

    High: 33 °C

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. Northwest wind 5 to 10 km/h becoming calm after midnight.

    Low: 21 °C

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 36.

    High: 36 °C

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 24.

    Low: 24 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 37.

    High: 37 °C

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °C

    T-storms
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 23. South wind around 11 km/h.
Saturday
Mostly sunny, with a high near 34. Southwest wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 23. Southwest wind 14 to 21 km/h. Chance of precipitation is 70%.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 33. Northwest wind 10 to 14 km/h.
Sunday Night
Mostly clear, with a low around 21. Northwest wind 5 to 10 km/h becoming calm after midnight.
Monday
Sunny and hot, with a high near 36.
Monday Night
Mostly clear, with a low around 24.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 37.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
Wednesday Night
Mostly clear, with a low around 18.
Thursday
Sunny, with a high near 31.
Thursday Night
Mostly clear, with a low around 18.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 33.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Chesterfield IL
 39.21°N 89.98°W (Elev. 568 m)
Last Update:
10:36 pm CDT Jun 21, 2024
Forecast Valid:
12am CDT Jun 22, 2024-6pm CDT Jun 28, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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