Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Partly Cloudy
79°F
26°C
| Humidity | 45% |
| Wind Speed | N 9 mph |
| Barometer | 30.18 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 31 Aug 3:50 pm CDT |
Extended Forecast for
3 Miles S Donnellson IL
Tonight
Low: 54 °F
Partly Cloudy
Labor Day
High: 82 °F
Mostly Sunny
Monday Night
Low: 57 °F
Mostly Cloudy
Tuesday
High: 80 °F
Mostly Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 49 °F
Chance
ShowersThursday
High: 72 °F
Mostly Sunny
Thursday Night
Low: 49 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 54. Northeast wind around 6 mph becoming calm in the evening.
Labor Day
Mostly sunny, with a high near 82. East wind 3 to 5 mph.
Monday Night
Mostly cloudy, with a low around 57. Calm wind.
Tuesday
Mostly sunny, with a high near 80. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 56. Calm wind.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 49. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 77.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles S Donnellson IL
38.97°N 89.48°W (Elev. 600 ft)
38.97°N 89.48°W (Elev. 600 ft)
3:26 pm CDT Aug 31, 2025
4pm CDT Aug 31, 2025-6pm CDT Sep 7, 2025
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