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.

Fair

79°F

26°C

Humidity 48%
Wind Speed W 10 mph
Barometer 29.91 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 Apr 2:50 pm CDT
Extended Forecast for

New Douglas IL

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 82. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Low around 47. South wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 53. Northwest wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 53 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 82. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Low around 47. South wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 53. Northwest wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 36. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 76.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 54.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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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:
2:41 pm CDT Apr 16, 2026
Forecast Valid:
3pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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