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.

Light Rain

62°F

17°C

Humidity 94%
Wind Speed S 5 mph
Barometer 29.86 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 12:15 am CDT
Extended Forecast for

New Douglas IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then scattered showers and thunderstorms, mainly between 4am and 5am. Low around 61. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 80. West wind 7 to 10 mph.

    High: 80 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: 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. Mostly sunny, with a high near 82. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 50. South wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • 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

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then scattered showers and thunderstorms, mainly between 4am and 5am. Low around 61. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 80. West wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 58. South wind 3 to 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 50. South wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 75.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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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:
11:51 pm CDT Apr 15, 2026
Forecast Valid:
12am 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