Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
41°F
5°C
| Humidity | 75% |
| Wind Speed | Calm |
| Barometer | 30.22 in |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 5:15 am CDT |
Extended Forecast for
4 Miles SSW South Roxana IL
Today

High: 67 °F
Sunny
Tonight

Low: 40 °F
Partly Cloudy
Monday

High: 67 °F
Sunny
Monday Night

Low: 50 °F
Mostly Clear
Tuesday

High: 80 °F
Mostly Sunny
Tuesday Night

Low: 57 °F
Mostly Clear
Wednesday

High: 80 °F
Sunny
Wednesday Night

Low: 60 °F
Mostly Clear
Thursday
High: 83 °F
Sunny then
Mostly Sunny
and Breezy
Detailed Forecast
Today
Sunny, with a high near 67. West wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Partly cloudy, with a low around 40. North wind 5 to 9 mph becoming light northeast after midnight.
Monday
Sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 50. Southeast wind around 8 mph.
Tuesday
Mostly sunny, with a high near 80. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 83. Breezy.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
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)
5:11 am CDT Apr 19, 2026
5am CDT Apr 19, 2026-6pm CDT Apr 25, 2026


