Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
59°F
15°C
| Humidity | 94% |
| Wind Speed | S 12 mph |
| Barometer | 29.78 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 7 Mar 7:45 am CST |
Extended Forecast for
Maryville IL
Today
High: 66 °F⇓
Rain Likely
then Mostly
CloudyTonight

Low: 38 °F
Decreasing
CloudsSunday

High: 66 °F
Sunny
Sunday Night

Low: 47 °F
Clear
Monday

High: 78 °F
Sunny
Monday Night
Low: 60 °F
Mostly Clear
then Chance
RainTuesday
High: 79 °F
Chance Rain
then Rain
LikelyTuesday Night

Low: 53 °F
Rain and
BreezyWednesday
High: 64 °F
Breezy. Rain
then Chance
Rain
Detailed Forecast
Today
Rain likely and possibly a thunderstorm before 9am, then a chance of rain between 9am and 11am. Cloudy, with a temperature rising to near 66 by 11am, then falling to around 56 during the remainder of the day. South wind 10 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Northwest wind 6 to 11 mph becoming light west after midnight.
Sunday
Sunny, with a high near 66. Light west wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Clear, with a low around 47. South wind 6 to 8 mph.
Monday
Sunny, with a high near 78. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of rain and thunderstorms, then a chance of rain after midnight. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Tuesday
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 53. Breezy. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then a chance of rain. High near 64. Breezy. Chance of precipitation is 90%.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 65.
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)
5:21 am CST Mar 7, 2026
8am CST Mar 7, 2026-6pm CDT Mar 13, 2026



