Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
47°F
8°C
| Humidity | 50% |
| Wind Speed | Calm |
| Barometer | 30.12 in |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 25 Mar 3:15 am CDT |
Extended Forecast for
4 Miles SSW South Roxana IL
Overnight

Low: 43 °F
Partly Cloudy
Wednesday

High: 78 °F
Mostly Sunny
Wednesday Night

Low: 64 °F
Decreasing
CloudsThursday

High: 90 °F
Sunny
Thursday Night

Low: 43 °F
Showers
Friday
High: 53 °F
Rain then
Chance RainFriday Night

Low: 32 °F
Mostly Clear
Saturday

High: 59 °F
Sunny
Saturday Night

Low: 41 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 43. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 78. Southeast wind 5 to 13 mph becoming south in the afternoon.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 90. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Showers and possibly a thunderstorm, mainly before 4am, then rain after 4am. Low around 43. Southwest wind 10 to 18 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%.
Friday
Rain, mainly before 7am. High near 53. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 82.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 61.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 81.
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)
1:26 am CDT Mar 25, 2026
3am CDT Mar 25, 2026-6pm CDT Mar 31, 2026


