Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Partly Cloudy
77°F
25°C
| Humidity | 42% |
| Wind Speed | E 12 mph |
| Barometer | 30.30 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 2 Aug 12:50 pm CDT |
Extended Forecast for
Chesterfield IL
This Afternoon
High: 78 °F
Mostly Sunny
Tonight
Low: 56 °F
Partly Cloudy
Sunday
High: 78 °F
Mostly Sunny
Sunday Night
Low: 61 °F
Partly Cloudy
Monday
High: 80 °F
Partly Sunny
Monday Night
Low: 64 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 78. Northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 56. Northeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 78. Northeast wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 61. Northeast wind 3 to 5 mph.
Monday
Partly sunny, with a high near 80. East wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Chesterfield IL
39.26°N 90.06°W (Elev. 600 ft)
39.26°N 90.06°W (Elev. 600 ft)
12:01 pm CDT Aug 2, 2025
1pm CDT Aug 2, 2025-6pm CDT Aug 8, 2025
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