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

42°F

6°C

Humidity 76%
Wind Speed W 3 mph
Barometer 30.27 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 6 Apr 5:55 am CDT
Extended Forecast for

Maryville IL

  • Today

    Today: Sunny, with a high near 62. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Northeast wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. Northeast wind around 11 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. East wind around 9 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. South wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 62. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 38. Northeast wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 53. Northeast wind around 11 mph.
Tuesday Night
Mostly cloudy, with a low around 39. East wind around 9 mph.
Wednesday
Partly sunny, with a high near 71. South wind 9 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville IL
 38.72°N 89.97°W (Elev. 558 ft)
Last Update:
4:21 am CDT Apr 6, 2026
Forecast Valid:
6am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation