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

38°F

3°C

Humidity 91%
Wind Speed NA
Barometer 30.31 in
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Last update 3 Nov 11:15 pm CST
Extended Forecast for

New Douglas IL

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Light southeast wind.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 70. Light southeast wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 25 mph.

    High: 70 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 8 to 13 mph becoming north in the afternoon.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. North wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of rain and thunderstorms after midnight. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Light southeast wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 70. Light southeast wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 49. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 8 to 13 mph becoming north in the afternoon.
Wednesday Night
Clear, with a low around 38. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 64.
Thursday Night
A 50 percent chance of rain and thunderstorms after midnight. Mostly cloudy, with a low around 52.
Friday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 48.
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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:
10:36 pm CST Nov 3, 2025
Forecast Valid:
11pm CST Nov 3, 2025-6pm CST Nov 10, 2025
 
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