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.

Rain

60°F

16°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 29.70 in
Dewpoint 58°F (14°C)
Visibility 7.00 mi
Last update 11 Mar 5:15 am CDT
Extended Forecast for

New Douglas IL

  • Overnight

    Overnight: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 66. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 66 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 3pm, then a slight chance of rain between 3pm and 4pm. Some of the storms could produce heavy rainfall. Temperature falling to around 45 by 4pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    High: 64 °F⇓

    Heavy Rain
    then Rain
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Light west wind becoming southwest 6 to 11 mph in the morning.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 66. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before 3pm, then a slight chance of rain between 3pm and 4pm. Some of the storms could produce heavy rainfall. Temperature falling to around 45 by 4pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 52. Light west wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 42. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 59.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 51.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 62. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 35. Breezy.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 39.
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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:
3:01 am CDT Mar 11, 2026
Forecast Valid:
5am CDT Mar 11, 2026-6pm CDT Mar 17, 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