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.

Light Snow and Breezy

26°F

-3°C

Humidity 74%
Wind Speed W 22 G 43 mph
Barometer 29.82 in
Dewpoint 19°F (-7°C)
Visibility 7.00 mi
Wind Chill12°F (-11°C)
Last update 16 Mar 6:15 am CDT
Extended Forecast for

2 Miles NE Bethalto IL

Wind Advisory March 16, 06:36am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 06:36am until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Today

    High: 27 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 34. Northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 34 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 30. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of snow before 1pm, then a chance of flurries between 1pm and 4pm. Cloudy, with a high near 27. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 34. Northwest wind 6 to 10 mph becoming southwest in the afternoon.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 30. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 62. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
Last Update:
5:41 am CDT Mar 16, 2026
Forecast Valid:
6am CDT Mar 16, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation