


Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
69°F
21°C
Humidity | 91% |
Wind Speed | NA |
Barometer | 30.01 in |
Dewpoint | 66°F (19°C) |
Visibility | 10.00 mi |
Last update | 7 Oct 5:35 am CDT |
Extended Forecast for
Chesterfield IL
Today
High: 68 °F
Slight Chance
T-stormsTonight
Low: 45 °F
Decreasing
CloudsWednesday
High: 71 °F
Sunny
Wednesday Night
Low: 42 °F
Clear
Thursday
High: 70 °F
Sunny
Thursday Night
Low: 40 °F
Clear
Friday
High: 75 °F
Sunny
Friday Night
Low: 52 °F
Partly Cloudy
Saturday
High: 79 °F
Mostly Sunny
Detailed Forecast
Today
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm. Mostly cloudy, with a high near 68. West wind 6 to 13 mph becoming north in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 45. North wind 6 to 9 mph.
Wednesday
Sunny, with a high near 71. Northeast wind 6 to 8 mph.
Wednesday Night
Clear, with a low around 42. Northeast wind around 6 mph.
Thursday
Sunny, with a high near 70. East wind around 7 mph.
Thursday Night
Clear, with a low around 40.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 56.
Columbus Day
Sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chesterfield IL
39.26°N 90.06°W (Elev. 600 ft)
39.26°N 90.06°W (Elev. 600 ft)
4:16 am CDT Oct 7, 2025
5am CDT Oct 7, 2025-6pm CDT Oct 13, 2025