Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

50°F

10°C

Humidity 62%
Wind Speed W 13 mph
Barometer 30.08 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 18 Apr 11:45 am CDT
Extended Forecast for

Maryville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable  after midnight.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. West wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. North wind 5 to 9 mph becoming northeast after midnight.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. East wind 5 to 8 mph becoming south in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tonight
Clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. West wind 5 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 41. North wind 5 to 9 mph becoming northeast after midnight.
Monday
Sunny, with a high near 66. East wind 5 to 8 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville IL
 38.72°N 89.97°W (Elev. 558 ft)
11:56 am CDT Apr 18, 2026
12pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database