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

33°F

1°C

Humidity 89%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 27 Feb 2:55 am CST
Extended Forecast for

New Douglas IL

Red Flag Warning February 27, 12:00pm until February 27, 06:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly clear, with a low around 34. South wind 3 to 6 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Southwest wind 6 to 8 mph becoming northeast after midnight.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 60. Northeast wind 6 to 8 mph becoming southeast in the afternoon.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. North wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 3am. Low around 30. Chance of precipitation is 80%.

    Low: 30 °F

    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 34. South wind 3 to 6 mph.
Friday
Sunny, with a high near 69. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 37. Southwest wind 6 to 8 mph becoming northeast after midnight.
Saturday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 60. Northeast wind 6 to 8 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 27. North wind 8 to 14 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 43.
Sunday Night
Rain and snow, becoming all snow after 3am. Low around 30. Chance of precipitation is 80%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Tuesday
Rain. High near 49. Chance of precipitation is 80%.
Tuesday Night
Rain and thunderstorms likely. Cloudy, with a low around 40. Chance of precipitation is 60%.
Wednesday
Rain likely. Cloudy, with a high near 60. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
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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:
1:16 am CST Feb 27, 2026
Forecast Valid:
3am CST Feb 27, 2026-6pm CST Mar 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