Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
41°F
5°C
| Humidity | 83% |
| Wind Speed | Calm |
| Barometer | 30.04 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 19 Mar 2:55 am CDT |
Extended Forecast for
2 Miles WSW Alton IL
Overnight
Low: 42 °F
Partly Cloudy
Thursday
High: 75 °F
Becoming
SunnyThursday Night
Low: 49 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 51 °F
Partly Cloudy
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 85 °F
Mostly Sunny
Sunday Night
Low: 39 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 42. Calm wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 49. Light southeast wind.
Friday
Sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 51. West wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles WSW Alton IL
38.88°N 90.19°W (Elev. 407 ft)
38.88°N 90.19°W (Elev. 407 ft)
3:07 am CDT Mar 19, 2026
3am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
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