Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
37°F
3°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.49 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 6:50 am CDT |
Extended Forecast for
Maryville IL
Frost Advisory until October 18, 09:00am
NOW until 9:00am Sun
Frost Advisory
Today
High: 69 °F
Sunny
Tonight
Low: 41 °F
Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Today
Sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the morning.
Tonight
Clear, with a low around 41. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 71. Calm wind.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 80.
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)
6:26 am CDT Oct 18, 2026
6am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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