Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
75°F
24°C
| Humidity | 57% |
| Wind Speed | N 5 mph |
| Barometer | 29.86 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 31 Mar 6:50 pm CDT |
Extended Forecast for
Maryville IL
Tonight
Low: 60 °F
Chance
T-storms then
Showers
LikelyWednesday

High: 75 °F
Showers
LikelyWednesday Night
Low: 66 °F
Slight Chance
T-storms then
Chance
ShowersThursday
High: 78 °F
Breezy.
Chance
Showers then
ShowersThursday Night

Low: 61 °F
Showers
Likely and
BreezyFriday

High: 81 °F
Showers
LikelyFriday Night
Low: 54 °F
Showers
Likely then
ShowersSaturday

High: 65 °F
Showers
LikelySaturday Night

Low: 38 °F
Slight Chance
Showers
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 60. Southwest wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. Southeast wind 6 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 78. Breezy, with a south wind 18 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 61. Breezy, with a south wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 68.
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)
5:01 pm CDT Mar 31, 2026
7pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026



