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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
27°F
-3°C
| Humidity | 59% |
| Wind Speed | Calm |
| Barometer | 30.25 in |
| Dewpoint | 14°F (-10°C) |
| Visibility | 10.00 mi |
| Last update | 28 Jan 4:45 pm CST |
Extended Forecast for
2 Miles WSW Alton IL
Tonight

Low: 11 °F
Mostly Cloudy
Thursday
High: 23 °F
Mostly Cloudy
then Slight
Chance SnowThursday Night

Low: 6 °F
Chance Snow
Friday

High: 19 °F
Cold
Friday Night

Low: 4 °F
Partly Cloudy
Saturday

High: 18 °F
Cold
Saturday Night

Low: 2 °F
Partly Cloudy
Sunday

High: 28 °F
Mostly Sunny
Sunday Night

Low: 14 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 11. Calm wind becoming northeast around 5 mph after midnight.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 23. Northeast wind 3 to 7 mph.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 6. Northeast wind 3 to 6 mph.
Friday
Partly sunny and cold, with a high near 19. North wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 4. North wind 8 to 10 mph.
Saturday
Mostly sunny and cold, with a high near 18.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
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)
5:36 pm CST Jan 28, 2026
5pm CST Jan 28, 2026-6pm CST Feb 4, 2026


