Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Partly Cloudy
50°F
10°C
| Humidity | 62% |
| Wind Speed | W 13 mph |
| Barometer | 30.08 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 18 Apr 11:45 am CDT |
Extended Forecast for
Maryville IL
This Afternoon

High: 56 °F
Mostly Sunny
Tonight

Low: 39 °F
Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 41 °F
Mostly Clear
Monday

High: 66 °F
Sunny
Monday Night

Low: 50 °F
Mostly Clear
Tuesday

High: 78 °F
Mostly Sunny
Tuesday Night

Low: 57 °F
Partly Cloudy
Wednesday

High: 81 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 56. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tonight
Clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. West wind 5 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 41. North wind 5 to 9 mph becoming northeast after midnight.
Monday
Sunny, with a high near 66. East wind 5 to 8 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
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)
11:56 am CDT Apr 18, 2026
12pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026



