Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

73°F

23°C

Humidity 31%
Wind Speed S 14 mph
Barometer 30.03 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 19 Mar 1:50 pm CDT
Extended Forecast for

Maryville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. South wind around 8 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. South wind 5 to 7 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 81. Southwest wind 5 to 13 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. South wind around 8 mph.
Tonight
Increasing clouds, with a low around 50. South wind 5 to 7 mph.
Friday
Sunny, with a high near 81. Southwest wind 5 to 13 mph.
Friday Night
Partly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 59.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Maryville IL
 38.72°N 89.97°W (Elev. 558 ft)
1:41 pm CDT Mar 19, 2026
2pm CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database