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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
39°F
4°C
| Humidity | 70% |
| Wind Speed | NW 15 G 25 mph |
| Barometer | 29.80 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 14 Jan 6:45 am CST |
Extended Forecast for
4 Miles SSW South Roxana IL
Today

High: 39 °F⇓
Becoming
Cloudy and
BreezyTonight

Low: 18 °F
Clear
Thursday

High: 34 °F
Increasing
CloudsThursday Night

Low: 27 °F
Chance Snow
Friday
High: 45 °F
Mostly Sunny
then Mostly
Cloudy and
BreezyFriday Night
Low: 19 °F
Slight Chance
Snow then
Mostly CloudySaturday

High: 27 °F
Partly Sunny
Saturday Night

Low: 9 °F
Partly Cloudy
Sunday

High: 26 °F
Mostly Sunny
Detailed Forecast
Today
Sunny through mid morning, then becoming cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 36 mph.
Tonight
Clear, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 28 mph.
Thursday
Increasing clouds, with a high near 34. Northwest wind around 7 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 45. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 15.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 35.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW South Roxana IL
38.77°N 90.08°W (Elev. 427 ft)
38.77°N 90.08°W (Elev. 427 ft)
4:21 am CST Jan 14, 2026
6am CST Jan 14, 2026-6pm CST Jan 20, 2026


