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

61°F

16°C

Humidity 88%
Wind Speed SW 9 mph
Barometer 29.90 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 7:45 am CDT
Extended Forecast for

New Douglas IL

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 80. West wind 8 to 10 mph.

    High: 80 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 49. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.

    Low: 49 °F

    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a steady temperature around 54. Northwest wind 15 to 18 mph. Chance of precipitation is 50%.

    High: 54 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 80. West wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 58. South wind 3 to 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.
Friday Night
Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 49. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a steady temperature around 54. Northwest wind 15 to 18 mph. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 52.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 76.
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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:
5:51 am CDT Apr 16, 2026
Forecast Valid:
8am CDT Apr 16, 2026-6pm CDT Apr 22, 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