Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
73°F
23°C
| Humidity | 72% |
| Wind Speed | S 16 G 24 mph |
| Barometer | 29.87 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 14 Apr 11:15 pm CDT |
Extended Forecast for
Maryville IL
Tonight

Low: 70 °F
Increasing
CloudsWednesday
High: 81 °F
Isolated
T-storms then
Heavy RainWednesday Night

Low: 64 °F
Showers
Thursday

High: 82 °F
Scattered
ShowersThursday Night

Low: 60 °F
Mostly Clear
Friday
High: 85 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 59 °F
Chance
T-storms then
Showers
LikelySaturday

High: 71 °F
Showers
LikelySaturday Night

Low: 42 °F
Slight Chance
Showers
Detailed Forecast
Tonight
Increasing clouds, with a low around 70. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am. Low around 64. South wind around 11 mph. Chance of precipitation is 90%.
Thursday
Scattered showers between 7am and 1pm, then scattered showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 60. South wind around 6 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 72.
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)
10:31 pm CDT Apr 14, 2026
11pm CDT Apr 14, 2026-6pm CDT Apr 21, 2026



