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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
70°F
21°C
| Humidity | 93% |
| Wind Speed | N 5 mph |
| Barometer | 30.09 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jul 4:35 am CDT |
Extended Forecast for
Donnellson IL
Today
High: 84 °F
Sunny
Tonight
Low: 64 °F
Clear
Monday
High: 85 °F
Sunny
Monday Night
Low: 66 °F
Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 70 °F
Mostly Clear
Thursday
High: 90 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 84. Northeast wind 6 to 10 mph.
Tonight
Clear, with a low around 64. Northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 85. Northeast wind 3 to 8 mph.
Monday Night
Clear, with a low around 66. Light northeast wind.
Tuesday
Sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 91.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Donnellson IL
39.04°N 89.47°W (Elev. 610 ft)
39.04°N 89.47°W (Elev. 610 ft)
1:26 am CDT Jul 12, 2026
4am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
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