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.

Overcast

27°F

-3°C

Humidity 80%
Wind Speed S 7 mph
Barometer 30.12 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 2 Dec 8:50 pm CST
Extended Forecast for

New Douglas IL

  • Tonight

    Tonight: Partly cloudy, with a low around 15. South wind 3 to 6 mph.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 37. South wind around 7 mph becoming northwest in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 9pm. Cloudy, with a low around 11. North wind 6 to 10 mph.

    Low: 11 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 21. North wind 5 to 8 mph becoming calm in the afternoon.

    High: 21 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

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

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 15. South wind 3 to 6 mph.
Wednesday
Increasing clouds, with a high near 37. South wind around 7 mph becoming northwest in the afternoon.
Wednesday Night
A 20 percent chance of snow after 9pm. Cloudy, with a low around 11. North wind 6 to 10 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 21. North wind 5 to 8 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 7. Calm wind.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A slight chance of snow before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 32.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Douglas IL
 38.98°N 89.67°W (Elev. 620 ft)
Last Update:
8:51 pm CST Dec 2, 2025
Forecast Valid:
9pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
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