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.

Mostly Cloudy

51°F

11°C

Humidity 46%
Wind Speed N 3 mph
Barometer 30.32 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 7 Apr 12:35 am CDT
Extended Forecast for

New Douglas IL

  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 37. North wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 50. East wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 50 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 37. East wind around 9 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 70. South wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 37. North wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday
A 40 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 50. East wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Increasing clouds, with a low around 37. East wind around 9 mph.
Wednesday
Partly sunny, with a high near 70. South wind 9 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 50. South wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 55.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 60%.
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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:
12:31 am CDT Apr 7, 2026
Forecast Valid:
12am CDT Apr 7, 2026-6pm CDT Apr 13, 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