Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

31°F

-1°C

Humidity 82%
Wind Speed E 3 mph
Barometer 30.22 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 13 Feb 4:15 am CST
Extended Forecast for

2 Miles WSW Alton IL

  • Today

    Today: Sunny, with a high near 60. South wind 6 to 9 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Southeast wind 3 to 6 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain, mainly after 9am.  High near 52. Light east wind becoming southeast 5 to 9 mph in the morning.  Chance of precipitation is 80%.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain.  Low around 44. East wind around 7 mph.  Chance of precipitation is 90%.

    Low: 44 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: A 20 percent chance of rain before noon.  Partly sunny, with a high near 58. Northeast wind 6 to 9 mph.

    High: 58 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 60. South wind 6 to 9 mph.
Tonight
Increasing clouds, with a low around 39. Southeast wind 3 to 6 mph.
Saturday
Rain, mainly after 9am. High near 52. Light east wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 80%.
Saturday Night
Rain. Low around 44. East wind around 7 mph. Chance of precipitation is 90%.
Sunday
A 20 percent chance of rain before noon. Partly sunny, with a high near 58. Northeast wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 38.
Washington's Birthday
Mostly sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 46.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
2:52 am CST Feb 13, 2026
4am CST Feb 13, 2026-6pm CST Feb 19, 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