Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
61°F
16°C
| Humidity | 90% |
| Wind Speed | S 8 mph |
| Barometer | 29.87 in |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 3:15 am CDT |
Extended Forecast for
4 Miles SSW South Roxana IL
Overnight

Low: 61 °F
Mostly Clear
Tuesday

High: 83 °F
Increasing
CloudsTuesday Night
Low: 54 °F
Slight Chance
T-storms then
Showers
LikelyWednesday

High: 69 °F⇓
Showers and
BreezyWednesday Night

Low: 34 °F
Mostly Cloudy
Thursday

High: 55 °F
Sunny
Thursday Night
Low: 45 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 63 °F
Partly Sunny
Friday Night

Low: 39 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 61. South wind around 7 mph.
Tuesday
Increasing clouds, with a high near 83. South wind 7 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 54. Southwest wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of rain after 2pm. Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 14 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 34. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 45. Breezy.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 50.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
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)
1:25 am CDT Mar 10, 2026
3am CDT Mar 10, 2026-6pm CDT Mar 16, 2026


