Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
63°F
17°C
| Humidity | 89% |
| Wind Speed | N 5 mph |
| Barometer | 30.11 in |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 2 Oct 6:15 am CDT |
Extended Forecast for
Donnellson IL
Today
High: 71 °F
Chance
Showers then
Partly SunnyTonight
Low: 48 °F
Mostly Clear
Saturday
High: 74 °F
Sunny
Saturday Night
Low: 47 °F
Partly Cloudy
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 49 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 43 °F
Clear
Tuesday
High: 73 °F
Sunny
Detailed Forecast
Today
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 71. North wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 48. Northeast wind 6 to 8 mph.
Saturday
Sunny, with a high near 74. East wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 47. Calm wind.
Sunday
Sunny, with a high near 77. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 43.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 82.
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)
3:36 am CDT Oct 2, 2026
6am CDT Oct 2, 2026-6pm CDT Oct 8, 2026
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