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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fog/Mist

60°F

16°C

Humidity 97%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 59°F (15°C)
Visibility 4.00 mi
Last update 19 Jun 4:55 am CDT
Extended Forecast for

3 Miles ENE New Douglas IL

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 8am. Mostly sunny, with a high near 83. Light southwest wind.

    High: 83 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Light southeast wind.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. High near 81. South wind 7 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    High: 81 °F

    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.
Tonight
Mostly cloudy, with a low around 62. Calm wind.
Saturday
A 20 percent chance of showers before 8am. Mostly sunny, with a high near 83. Light southwest wind.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Light southeast wind.
Sunday
Showers and thunderstorms. High near 81. South wind 7 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Sunday Night
Showers and thunderstorms. Low around 64. Chance of precipitation is 80%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE New Douglas IL
 38.98°N 89.62°W (Elev. 600 ft)
Last Update:
5:06 am CDT Jun 19, 2026
Forecast Valid:
5am CDT Jun 19, 2026-6pm CDT Jun 25, 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