Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
51°F
11°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 29.96 in |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 1:55 am CDT |
Extended Forecast for
Maryville IL
Overnight

Low: 50 °F
Partly Cloudy
Friday

High: 83 °F
Mostly Sunny
Friday Night

Low: 50 °F
Partly Cloudy
Saturday

High: 79 °F
Sunny
Saturday Night

Low: 61 °F
Clear
Sunday

High: 87 °F
Sunny
Sunday Night

Low: 41 °F
Partly Cloudy
Monday

High: 58 °F
Mostly Sunny
Monday Night

Low: 40 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 50. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 83. Southwest wind 6 to 13 mph.
Friday Night
Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 79. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
Clear, with a low around 61. South wind 6 to 10 mph.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of rain. Sunny, with a high near 77.
Additional Forecasts and Information
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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)
1:26 am CDT Mar 20, 2026
2am CDT Mar 20, 2026-6pm CDT Mar 26, 2026


