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.

Fair

39°F

4°C

Humidity 64%
Wind Speed NE 5 mph
Barometer 30.11 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Mar 5:35 am CDT
Extended Forecast for

New Douglas IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 59. East wind 7 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Southeast wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain after 1pm. High near 65. Windy, with a south wind 22 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

    High: 65 °F

    Chance Rain
    and Breezy
    then Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 19. Breezy, with a southwest wind 23 to 29 mph becoming west in the evening. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Windy, with a northwest wind 26 to 30 mph, with gusts as high as 40 mph.

    High: 25 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. Blustery.

    Low: 11 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 59. East wind 7 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 51. Southeast wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday
A chance of rain and thunderstorms, then rain after 1pm. High near 65. Windy, with a south wind 22 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 19. Breezy, with a southwest wind 23 to 29 mph becoming west in the evening. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Windy, with a northwest wind 26 to 30 mph, with gusts as high as 40 mph.
Monday Night
Partly cloudy, with a low around 11. Blustery.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Douglas IL
 38.98°N 89.67°W (Elev. 620 ft)
Last Update:
4:41 am CDT Mar 14, 2026
Forecast Valid:
5am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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