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.

Partly Cloudy

32°F

0°C

Humidity 74%
Wind Speed E 3 mph
Barometer 30.16 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 3 Feb 12:15 am CST
Extended Forecast for

New Douglas IL

  • Overnight

    Overnight: A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 28. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Wintry Mix

  • Tuesday

    Tuesday: A chance of snow and freezing rain before 10am, then a slight chance of snow between 10am and 11am. Mostly cloudy, with a high near 32. North wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. North wind 3 to 6 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. North wind 3 to 6 mph.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 28. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
A chance of snow and freezing rain before 10am, then a slight chance of snow between 10am and 11am. Mostly cloudy, with a high near 32. North wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 16. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 28. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 13. Calm wind.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 29.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 45.
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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:
10:06 pm CST Feb 2, 2026
Forecast Valid:
12am CST Feb 3, 2026-6pm CST Feb 9, 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