Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
50°F
10°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 29.96 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 2:55 am CDT |
Extended Forecast for
3 Miles S Donnellson IL
Overnight
Low: 51 °F
Clear
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 53 °F
Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 52 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 58 °F
Clear
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 57 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Overnight
Clear, with a low around 51. South wind 3 to 5 mph.
Wednesday
Sunny, with a high near 86. Southwest wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 53. Light north wind.
Thursday
Sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. Light and variable wind.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 57.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles S Donnellson IL
39°N 89.47°W (Elev. 600 ft)
39°N 89.47°W (Elev. 600 ft)
1:26 am CDT Oct 7, 2026
3am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
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