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

64°F

18°C

Humidity 84%
Wind Speed NA
Barometer 30.16 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Oct 12:55 am CDT
Extended Forecast for

New Douglas IL

  • Overnight

    Overnight: Clear, with a low around 61. Light south wind.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 55. South wind 3 to 6 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 6 to 15 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South wind 3 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 61. Light south wind.
Saturday
Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 55. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 86. South wind 6 to 15 mph.
Sunday Night
Mostly clear, with a low around 61. South wind 3 to 7 mph.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 78.
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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:
10:31 pm CDT Oct 3, 2025
Forecast Valid:
1am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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