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.

Partly Cloudy

56°F

13°C

Humidity 82%
Wind Speed S 12 mph
Barometer 29.58 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 18 Feb 3:15 am CST
Extended Forecast for

New Douglas IL

  • Overnight

    Overnight: Partly cloudy, with a low around 51. South wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 49. South wind 5 to 8 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly between 10am and 5pm. Partly sunny, with a high near 66. South wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 66 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. West wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 40.

    High: 40 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. South wind 15 to 17 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Increasing clouds, with a low around 49. South wind 5 to 8 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly between 10am and 5pm. Partly sunny, with a high near 66. South wind 8 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 34. West wind 11 to 18 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 40.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 22.
Sunday
Sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 43.
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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:
3:06 am CST Feb 18, 2026
Forecast Valid:
3am CST Feb 18, 2026-6pm CST Feb 24, 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