Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Partly Cloudy
90°F
32°C
| Humidity | 67% |
| Wind Speed | N 7 mph |
| Barometer | 30.02 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 19 Aug 12:50 pm CDT |
Extended Forecast for
3 Miles N Chesterfield IL
This Afternoon
High: 91 °F
Slight Chance
T-stormsTonight
Low: 70 °F
Partly Cloudy
Wednesday
High: 84 °F
Mostly Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 63 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 84 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A slight chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Northwest wind around 8 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 70. North wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 84. Northeast wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 63. Northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 83. Northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 75.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles N Chesterfield IL
39.3°N 90.09°W (Elev. 515 ft)
39.3°N 90.09°W (Elev. 515 ft)
12:01 pm CDT Aug 19, 2025
1pm CDT Aug 19, 2025-6pm CDT Aug 25, 2025
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