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

77°F

25°C

Humidity 57%
Wind Speed S 14 mph
Barometer 29.93 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Apr 7:50 pm CDT
Extended Forecast for

New Douglas IL

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 54. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Chance
    T-storms then
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 1pm. Temperature falling to around 54 by 1pm. Southwest wind 10 to 17 mph becoming west in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    High: 61 °F⇓

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 37. West wind 8 to 16 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 56. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. West wind around 6 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 54. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 1pm. Temperature falling to around 54 by 1pm. Southwest wind 10 to 17 mph becoming west in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 37. West wind 8 to 16 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 56. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 38. West wind around 6 mph.
Monday
Sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
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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:
8:06 pm CDT Apr 3, 2026
Forecast Valid:
8pm CDT Apr 3, 2026-6pm CDT Apr 10, 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