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.

Overcast and Windy

36°F

2°C

Humidity 78%
Wind Speed W 29 G 38 mph
Barometer 29.59 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 15 Mar 11:15 pm CDT
Extended Forecast for

Marine IL

Wind Advisory March 15, 11:34pm until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 15, 11:34pm until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Tonight

    Low: 22 °F

    Chance
    Rain/Snow and
    Blustery

  • Monday

    Monday: A slight chance of snow before 1pm, then scattered flurries between 1pm and 3pm. Cloudy, with a high near 28. Windy, with a northwest wind 26 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 28 °F

    Slight Chance
    Snow and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Blustery, with a northwest wind 13 to 21 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34. Northwest wind 6 to 9 mph becoming southwest in the afternoon.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 29. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Tonight
A chance of rain and snow before 1am, then a chance of snow between 1am and 4am. Mostly cloudy, with a low around 22. Blustery, with a northwest wind 20 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
Monday
A slight chance of snow before 1pm, then scattered flurries between 1pm and 3pm. Cloudy, with a high near 28. Windy, with a northwest wind 26 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 13. Blustery, with a northwest wind 13 to 21 mph.
Tuesday
Sunny, with a high near 34. Northwest wind 6 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 29. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marine IL
 38.78°N 89.77°W (Elev. 512 ft)
Last Update:
10:56 pm CDT Mar 15, 2026
Forecast Valid:
11pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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