National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

37°F

3°C

Humidity 69%
Wind Speed SW 7 mph
Barometer 29.92 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 6:35 am CST
Extended Forecast for

Maryville IL

  • Today

    Today: Increasing clouds, with a high near 63. West wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 63 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 37. West wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 30 mph.

    High: 39 °F⇓

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. North wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 32. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a temperature rising to around 32 by 4am.

    Low: 27 °F⇑

    Slight Chance
    Snow

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 63. West wind 6 to 15 mph, with gusts as high as 26 mph.
Tonight
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 37. West wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 17. North wind 9 to 16 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 32. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a temperature rising to around 32 by 4am.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville IL
 38.7°N 89.94°W (Elev. 551 ft)
Last Update:
5:21 am CST Jan 13, 2026
Forecast Valid:
6am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation