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.

Partly Cloudy

21°F

-6°C

Humidity 54%
Wind Speed NW 14 mph
Barometer 30.60 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 23 Feb 9:50 am CST
Extended Forecast for

New Douglas IL

  • Today

    Today: Sunny, with a high near 29. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 50. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 50 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. South wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Northwest wind around 6 mph becoming southeast in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely before 3am, then rain likely, possibly mixed with snow. Some thunder is also possible. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow before noon. Partly sunny, with a high near 46. Chance of precipitation is 40%.

    High: 46 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 29. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Increasing clouds, with a high near 50. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 31. South wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 50. Northwest wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Rain likely before 3am, then rain likely, possibly mixed with snow. Some thunder is also possible. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before noon. Partly sunny, with a high near 46. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 58.
Friday Night
Clear, with a low around 37.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 47.
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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:
10:26 am CST Feb 23, 2026
Forecast Valid:
10am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation