Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fog/Mist
37°F
3°C
| Humidity | 91% |
| Wind Speed | S 5 mph |
| Barometer | 29.95 in |
| Dewpoint | 35°F (2°C) |
| Visibility | 5.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 7 Dec 6:15 am CST |
Extended Forecast for
2 Miles E Williamson IL
Today
High: 37 °F
Chance
Sprinkles/Flurries
then CloudyTonight

Low: 20 °F
Mostly Cloudy
Monday

High: 32 °F
Decreasing
CloudsMonday Night

Low: 22 °F
Partly Cloudy
Tuesday

High: 49 °F
Mostly Sunny
Tuesday Night

Low: 39 °F
Mostly Cloudy
Wednesday

High: 46 °F
Partly Sunny
Wednesday Night
Low: 26 °F
Mostly Cloudy
then Slight
Chance SnowThursday

High: 35 °F
Chance Snow
Detailed Forecast
Today
A chance of flurries, mixing with sprinkles after 7am, then gradually ending. Cloudy, with a high near 37. Light and variable wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 20. North wind 7 to 11 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 32. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 22. Light south wind increasing to 5 to 10 mph in the evening.
Tuesday
Mostly sunny, with a high near 49. Southwest wind 10 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 35.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
Partly sunny and cold, with a high near 19.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles E Williamson IL
38.98°N 89.73°W (Elev. 600 ft)
38.98°N 89.73°W (Elev. 600 ft)
5:01 am CST Dec 7, 2025
6am CST Dec 7, 2025-6pm CST Dec 13, 2025


