Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
39°F
4°C
| Humidity | 86% |
| Wind Speed | Calm |
| Barometer | 30.05 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 19 Mar 6:15 am CDT |
Extended Forecast for
Maryville IL
Today

High: 74 °F
Becoming
SunnyTonight

Low: 50 °F
Mostly Clear
Friday

High: 81 °F
Sunny
Friday Night

Low: 52 °F
Partly Cloudy
Saturday

High: 79 °F
Sunny
Saturday Night

Low: 58 °F
Mostly Clear
Sunday

High: 84 °F
Mostly Sunny
Sunday Night

Low: 41 °F
Partly Cloudy
Monday

High: 55 °F
Sunny
Detailed Forecast
Today
Partly sunny, then gradually becoming sunny, with a high near 74. Calm wind becoming south 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 50. South wind around 6 mph.
Friday
Sunny, with a high near 81. Southwest wind 6 to 11 mph becoming west in the afternoon.
Friday Night
Partly cloudy, with a low around 52. West wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 69.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Maryville IL
38.72°N 89.97°W (Elev. 558 ft)
38.72°N 89.97°W (Elev. 558 ft)
5:41 am CDT Mar 19, 2026
6am CDT Mar 19, 2026-6pm CDT Mar 25, 2026


