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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
28°F
-2°C
| Humidity | 72% |
| Wind Speed | S 6 mph |
| Barometer | 30.41 in |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 12 Jan 12:35 am CST |
Extended Forecast for
Maryville IL
Overnight

Low: 25 °F
Clear
Monday

High: 51 °F
Sunny
Monday Night

Low: 36 °F
Mostly Clear
Tuesday

High: 59 °F
Increasing
CloudsTuesday Night
Low: 38 °F
Slight Chance
Rain then
Mostly CloudyWednesday

High: 43 °F
Mostly Cloudy
and BreezyWednesday Night
Low: 19 °F
Mostly Cloudy
and Blustery
then Partly
CloudyThursday

High: 33 °F
Mostly Sunny
Thursday Night

Low: 26 °F
Mostly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 25. Calm wind becoming south 5 to 7 mph.
Monday
Sunny, with a high near 51. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 36. Southwest wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 59. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. West wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 43. Breezy.
Wednesday Night
Mostly cloudy, with a low around 19. Blustery.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Maryville IL
38.72°N 89.94°W (Elev. 554 ft)
38.72°N 89.94°W (Elev. 554 ft)
12:31 am CST Jan 12, 2026
12am CST Jan 12, 2026-6pm CST Jan 18, 2026


