Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

70°F

21°C

Humidity 40%
Wind Speed NE 7 mph
Barometer 29.89 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 9:50 pm CDT
Extended Forecast for

New Douglas IL

  • Tonight

    Tonight: Partly cloudy, with a low around 49. North wind around 6 mph becoming east after midnight.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. East wind 6 to 8 mph becoming southwest in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. South wind 7 to 9 mph.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 83. South wind 9 to 15 mph becoming northwest in the afternoon.

    High: 83 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. Breezy, with a north wind 14 to 20 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain and thunderstorms after 1am.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. North wind around 6 mph becoming east after midnight.
Saturday
Sunny, with a high near 83. East wind 6 to 8 mph becoming southwest in the afternoon.
Saturday Night
Clear, with a low around 60. South wind 7 to 9 mph.
Sunday
Increasing clouds, with a high near 83. South wind 9 to 15 mph becoming northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 37. Breezy, with a north wind 14 to 20 mph.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
A 20 percent chance of rain. Sunny, with a high near 76.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 39.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
New Douglas IL
 38.98°N 89.67°W (Elev. 620 ft)
7:31 pm CDT Mar 20, 2026
9pm CDT Mar 20, 2026-6pm CDT Mar 27, 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