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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
34°F
1°C
| Humidity | 70% |
| Wind Speed | E 6 mph |
| Barometer | 30.16 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 2 Feb 6:50 pm CST |
Extended Forecast for
3 Miles N West Alton MO
Tonight
Low: 29 °F
Mostly Cloudy
then Slight
Chance Wintry
MixTuesday
High: 34 °F
Chance Wintry
Mix then
Partly SunnyTuesday Night

Low: 16 °F
Mostly Cloudy
Wednesday

High: 30 °F
Mostly Sunny
Wednesday Night

Low: 16 °F
Mostly Clear
Thursday

High: 40 °F
Partly Sunny
Thursday Night

Low: 32 °F
Mostly Clear
Friday

High: 48 °F
Mostly Sunny
Friday Night

Low: 23 °F
Mostly Clear
Detailed Forecast
Tonight
A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 29. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday
A chance of snow before 9am, then a slight chance of freezing rain between 9am and 10am. Mostly cloudy, with a high near 34. North wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 16. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 30. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 16. Calm wind.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 32.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 48.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles N West Alton MO
38.91°N 90.22°W (Elev. 407 ft)
38.91°N 90.22°W (Elev. 407 ft)
4:46 pm CST Feb 2, 2026
6pm CST Feb 2, 2026-6pm CST Feb 9, 2026


