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

59°F

15°C

Humidity 36%
Wind Speed W 15 G 23 mph
Barometer 30.24 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Apr 11:45 am CDT
Extended Forecast for

New Douglas IL

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 64. West wind 14 to 18 mph, with gusts as high as 25 mph.

    High: 64 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 64. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Southeast wind 6 to 9 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Southwest wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 64. West wind 14 to 18 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 37. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 64. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 47. Southeast wind 6 to 9 mph.
Tuesday
Sunny, with a high near 76. Southwest wind 8 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 80. Breezy.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
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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:
11:51 am CDT Apr 19, 2026
Forecast Valid:
12pm CDT Apr 19, 2026-6pm CDT Apr 25, 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