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

68°F

20°C

Humidity 78%
Wind Speed S 14 mph
Barometer 29.92 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 6 Mar 8:50 pm CST
Extended Forecast for

2 Miles ESE Maryville IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 61. South wind 9 to 17 mph becoming southwest after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Saturday

    Saturday: Showers, mainly before 9am. Temperature rising to near 66 by 11am, then falling to around 57 during the remainder of the day. Southwest wind 9 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.

    High: 66 °F⇓

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Northwest wind 6 to 11 mph becoming light west after midnight.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. South wind 6 to 8 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain and thunderstorms, then a chance of rain after midnight. Mostly clear, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance Rain

  • Tuesday

    Tuesday: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 61. South wind 9 to 17 mph becoming southwest after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%.
Saturday
Showers, mainly before 9am. Temperature rising to near 66 by 11am, then falling to around 57 during the remainder of the day. Southwest wind 9 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 38. Northwest wind 6 to 11 mph becoming light west after midnight.
Sunday
Sunny, with a high near 66. Light west wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 46. South wind 6 to 8 mph.
Monday
Sunny, with a high near 77.
Monday Night
A slight chance of rain and thunderstorms, then a chance of rain after midnight. Mostly clear, with a low around 59. Chance of precipitation is 30%.
Tuesday
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 78. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Wednesday
Rain, mainly before noon. High near 60. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 39.
Friday
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Maryville IL
 38.72°N 89.94°W (Elev. 554 ft)
Last Update:
8:51 pm CST Mar 6, 2026
Forecast Valid:
9pm CST Mar 6, 2026-6pm CDT Mar 13, 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