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.

Fair

45°F

7°C

Humidity 54%
Wind Speed S 13 G 17 mph
Barometer 29.83 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 13 Mar 1:35 am CDT
Extended Forecast for

New Douglas IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 34 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 57. Breezy, with a west wind 15 to 23 mph, with gusts as high as 30 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 62. Southeast wind 6 to 14 mph.

    High: 62 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 4pm. High near 67. Breezy. Chance of precipitation is 80%.

    High: 67 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then snow likely. Some thunder is also possible. Low around 21. Blustery. Chance of precipitation is 90%.

    Low: 21 °F

    Rain and
    Breezy then
    Rain/Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 27. Windy.

    High: 27 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Blustery.

    Low: 11 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 34 mph.
Friday
Partly sunny, with a high near 57. Breezy, with a west wind 15 to 23 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 34. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Increasing clouds, with a high near 62. Southeast wind 6 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 52. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
Rain, with thunderstorms also possible after 4pm. High near 67. Breezy. Chance of precipitation is 80%.
Sunday Night
Rain before 1am, then snow likely. Some thunder is also possible. Low around 21. Blustery. Chance of precipitation is 90%.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 27. Windy.
Monday Night
Mostly clear, with a low around 11. Blustery.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 25.
Wednesday
Mostly cloudy, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Douglas IL
 38.98°N 89.67°W (Elev. 620 ft)
Last Update:
1:25 am CDT Mar 13, 2026
Forecast Valid:
1am CDT Mar 13, 2026-6pm CDT Mar 19, 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