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.

Fog/Mist

47°F

8°C

Humidity 94%
Wind Speed E 5 mph
Barometer 29.97 in
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Wind Chill45°F (7°C)
Last update 27 Dec 1:55 am CST
Extended Forecast for

New Douglas IL

Dense Fog Advisory December 27, 02:11am until December 27, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 27, 02:11am until December 27, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Overnight

    Low: 43 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 59. Southeast wind 5 to 11 mph.

    High: 59 °F

    Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 1am. Cloudy, with a low around 57. South wind around 10 mph.

    Low: 57 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 69. South wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 69 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain likely before 9pm. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.

    Low: 18 °F

    Blustery.
    Rain Likely
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Blustery.

    High: 25 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 43. Light east wind.
Saturday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 59. Southeast wind 5 to 11 mph.
Saturday Night
A 30 percent chance of rain, mainly after 1am. Cloudy, with a low around 57. South wind around 10 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 69. South wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Rain likely before 9pm. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 25. Blustery.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 17.
New Year's Day
Partly sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 27.
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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:
1:06 am CST Dec 27, 2025
Forecast Valid:
2am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation