Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
34°F
1°C
| Humidity | 70% |
| Wind Speed | S 13 mph |
| Barometer | 30.02 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 18 Mar 6:50 am CDT |
Extended Forecast for
Maryville IL
Today
High: 64 °F
Becoming
SunnyTonight
Low: 43 °F
Mostly Cloudy
Thursday
High: 71 °F
Becoming
SunnyThursday Night
Low: 48 °F
Mostly Clear
Friday
High: 77 °F
Sunny
Friday Night
Low: 54 °F
Mostly Cloudy
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 56 °F
Clear
Sunday
High: 79 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 64. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly cloudy, with a low around 43. Light and variable wind.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Light and variable wind becoming south around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 48. North wind around 5 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 77. Calm wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Sunny, with a high near 78.
Saturday Night
Clear, with a low around 56.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 53.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Maryville IL
38.72°N 89.97°W (Elev. 558 ft)
38.72°N 89.97°W (Elev. 558 ft)
5:36 am CDT Mar 18, 2026
7am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
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