Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast and Windy

37°F

3°C

Humidity 81%
Wind Speed W 28 G 44 mph
Barometer 29.84 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Dec 6:50 pm CST
Extended Forecast for

2 Miles WSW Alton IL

Wind Advisory until December 29, 06:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 29, 06:00am

    NOW until 6:00am Mon

    Wind Advisory

  • Tonight

    Low: 19 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 29. Breezy, with a northwest wind 15 to 24 mph, with gusts as high as 36 mph.

    High: 29 °F

    Decreasing
    Clouds and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. West wind 6 to 10 mph.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. West wind around 8 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Tonight
A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 19. Breezy, with a west wind around 25 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 29. Breezy, with a northwest wind 15 to 24 mph, with gusts as high as 36 mph.
Monday Night
Partly cloudy, with a low around 17. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 36. West wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 27. West wind around 8 mph.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 25.
New Year's Day
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
6:11 pm CST Dec 28, 2025
7pm CST Dec 28, 2025-6pm CST Jan 4, 2026
 
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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