Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

54°F

12°C

Humidity 44%
Wind Speed S 5 mph
Barometer 30.04 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 9 Feb 3:50 pm CST
Extended Forecast for

2 Miles WSW Alton IL

  • Tonight

    Tonight: Mostly clear, with a low around 43. Southeast wind 6 to 8 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Southwest wind 6 to 13 mph becoming north in the morning. Winds could gust as high as 20 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. North wind 5 to 8 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. North wind around 6 mph.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 60. Southwest wind 6 to 13 mph becoming north in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 30. North wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 50. North wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 32. Light and variable wind.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 47.
Friday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 47. Chance of precipitation is 70%.
Saturday Night
Rain. Low around 37. Chance of precipitation is 80%.
Sunday
A 40 percent chance of rain. Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 34.
Washington's Birthday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
1:41 pm CST Feb 9, 2026
4pm CST Feb 9, 2026-6pm CST Feb 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database