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

50°F

10°C

Humidity 94%
Wind Speed N 8 mph
Barometer 30.09 in
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Wind Chill47°F (8°C)
Last update 4 Mar 6:50 am CST
Extended Forecast for

New Douglas IL

  • Today

    Today: Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. Patchy fog before 1pm. High near 59. Northeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 59 °F

    Chance
    T-storms and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Patchy fog after 8pm. Low around 53. South wind 5 to 7 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. West wind 6 to 11 mph becoming light southwest in the afternoon. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 56. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 29 mph.

    High: 76 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers before noon. Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. Patchy fog before 1pm. High near 59. Northeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Patchy fog after 8pm. Low around 53. South wind 5 to 7 mph. Chance of precipitation is 90%.
Thursday
Showers likely, mainly before 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. West wind 6 to 11 mph becoming light southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
A slight chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 56. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 29 mph.
Friday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 52. Chance of precipitation is 90%.
Saturday
A 50 percent chance of showers before noon. Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 74.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Douglas IL
 38.98°N 89.67°W (Elev. 620 ft)
Last Update:
4:36 am CST Mar 4, 2026
Forecast Valid:
7am CST Mar 4, 2026-6pm CDT Mar 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