Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
34°F
1°C
| Humidity | 78% |
| Wind Speed | NW 5 mph |
| Barometer | 30.24 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 11 Feb 3:15 am CST |
Extended Forecast for
2 Miles WSW Alton IL
Overnight

Low: 29 °F
Mostly Clear
Wednesday

High: 50 °F
Sunny
Wednesday Night

Low: 32 °F
Increasing
CloudsThursday

High: 49 °F
Mostly Cloudy
Thursday Night

Low: 32 °F
Mostly Cloudy
Friday

High: 56 °F
Mostly Sunny
Friday Night

Low: 36 °F
Mostly Cloudy
Saturday

High: 54 °F
Chance Rain
Saturday Night

Low: 40 °F
Chance Rain
Detailed Forecast
Overnight
Mostly clear, with a low around 29. North wind around 6 mph.
Wednesday
Sunny, with a high near 50. Northwest wind 3 to 6 mph.
Wednesday Night
Increasing clouds, with a low around 32. Calm wind.
Thursday
Mostly cloudy, with a high near 49. Calm wind becoming southeast 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 32. Southeast wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 54.
Saturday Night
A 40 percent chance of rain. Partly cloudy, with a low around 40.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 37.
Washington's Birthday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 65.
Additional Forecasts and Information
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ABOUT 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)
1:36 am CST Feb 11, 2026
3am CST Feb 11, 2026-6pm CST Feb 17, 2026


