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

68°F

20°C

Humidity 60%
Wind Speed W 10 mph
Barometer 30.24 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Apr 10:45 am CDT
Extended Forecast for

New Douglas IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy, with a high near 73. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 48. North wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 69. East wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Southeast wind 7 to 10 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Breezy.

    High: 84 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy, with a high near 73. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Tonight
A slight chance of showers before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 48. North wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 69. East wind 8 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 58. Southeast wind 7 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Breezy.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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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:
8:36 am CDT Apr 10, 2026
Forecast Valid:
10am CDT Apr 10, 2026-6pm CDT Apr 16, 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