Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

52°F

11°C

Humidity 41%
Wind Speed NE 9 mph
Barometer 29.74 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 25 Feb 3:45 pm CST
Extended Forecast for

New Douglas IL

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 4am.  Mostly cloudy, with a low around 31. Calm wind becoming northeast around 6 mph in the evening.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 52. East wind around 6 mph becoming calm  in the afternoon.

    High: 52 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. South wind 6 to 8 mph becoming north after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after noon.  Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

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

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of snow and sleet before noon, then a chance of rain and snow.  Cloudy, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance Wintry
    Mix

  • Sunday Night

    Sunday Night: Rain, snow, and freezing rain likely before midnight, then a chance of snow and freezing rain.  Cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Wintry Mix
    Likely

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 31. Calm wind becoming northeast around 6 mph in the evening.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 52. East wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 66. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 38. South wind 6 to 8 mph becoming north after midnight.
Saturday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A slight chance of snow and sleet before noon, then a chance of rain and snow. Cloudy, with a high near 41. Chance of precipitation is 40%.
Sunday Night
Rain, snow, and freezing rain likely before midnight, then a chance of snow and freezing rain. Cloudy, with a low around 26. Chance of precipitation is 70%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Monday Night
A chance of rain or freezing rain. Cloudy, with a low around 25. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
New Douglas IL
 38.98°N 89.67°W (Elev. 620 ft)
2:31 pm CST Feb 25, 2026
4pm CST Feb 25, 2026-6pm CST Mar 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

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