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

61°F

16°C

Humidity 83%
Wind Speed SE 8 mph
Barometer 29.39 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Feb 5:50 pm CST
Extended Forecast for

New Douglas IL

  • Tonight

    Tonight: A 20 percent chance of rain and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 32. Breezy, with a southeast wind 8 to 13 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 39 mph.

    Low: 32 °F

    Slight Chance
    T-storms then
    Increasing
    Clouds and
    Breezy

  • Friday

    Friday: Sunny, with a high near 46. Breezy, with a west wind 10 to 20 mph, with gusts as high as 37 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. North wind 5 to 7 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42. North wind 6 to 13 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 34. Breezy.

    High: 34 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 32. Breezy, with a southeast wind 8 to 13 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 39 mph.
Friday
Sunny, with a high near 46. Breezy, with a west wind 10 to 20 mph, with gusts as high as 37 mph.
Friday Night
Mostly clear, with a low around 27. North wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 42. North wind 6 to 13 mph.
Saturday Night
Mostly clear, with a low around 22. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 34. Breezy.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 52.
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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:
5:01 pm CST Feb 19, 2026
Forecast Valid:
6pm CST Feb 19, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation