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

72°F

22°C

Humidity 61%
Wind Speed SW 9 mph
Barometer 29.68 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Mar 8:50 am CDT
Extended Forecast for

New Douglas IL

  • Today

    Today: Partly sunny, with a high near 88. Southwest wind 9 to 15 mph becoming northwest in the afternoon.

    High: 88 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Breezy, with a north wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 38 mph.

    Low: 34 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53. Northeast wind 9 to 11 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. East wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. South wind 6 to 8 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 88. Southwest wind 9 to 15 mph becoming northwest in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Breezy, with a north wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 38 mph.
Monday
Mostly sunny, with a high near 53. Northeast wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 36. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 62. South wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 51.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 56.
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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:
8:26 am CDT Mar 22, 2026
Forecast Valid:
9am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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