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 47%
Wind Speed SW 16 G 28 mph
Barometer 29.98 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Mar 11:50 am CDT
Extended Forecast for

New Douglas IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Breezy, with a south wind 20 to 22 mph, with gusts as high as 30 mph.

    High: 80 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind 14 to 18 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 30 mph.

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then showers likely between 1am and 2am, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Southwest wind 9 to 11 mph becoming north after midnight. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 7am, then rain between 7am and 10am, then rain and possibly a thunderstorm after 10am. High near 70. Northeast wind 9 to 11 mph becoming southeast in the afternoon. Chance of precipitation is 80%.

    High: 70 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Rain Likely

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 74. Breezy. Chance of precipitation is 80%.

    High: 74 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Rain

  • Friday

    Friday: A chance of rain and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Breezy, with a south wind 20 to 22 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 62. South wind 14 to 18 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then showers likely between 1am and 2am, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Southwest wind 9 to 11 mph becoming north after midnight. Chance of precipitation is 70%.
Wednesday
Rain and possibly a thunderstorm before 7am, then rain between 7am and 10am, then rain and possibly a thunderstorm after 10am. High near 70. Northeast wind 9 to 11 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Thursday
Rain and possibly a thunderstorm. High near 74. Breezy. Chance of precipitation is 80%.
Thursday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 57. Chance of precipitation is 80%.
Friday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Breezy. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 56.
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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:
11:56 am CDT Mar 30, 2026
Forecast Valid:
12pm CDT Mar 30, 2026-6pm CDT Apr 5, 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