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.

Partly Cloudy

45°F

7°C

Humidity 53%
Wind Speed NW 16 G 23 mph
Barometer 30.11 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 10 Jan 1:45 pm CST
Extended Forecast for

East Alton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Rain and snow showers likely before midnight, then a chance of flurries between midnight and 5am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 27. Blustery, with a west wind 6 to 11 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Snow
    Likely then
    Chance
    Flurries and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 39. Northwest wind 7 to 16 mph, with gusts as high as 30 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Southwest wind 3 to 6 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. Southwest wind 6 to 9 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 47. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.
Tonight
Rain and snow showers likely before midnight, then a chance of flurries between midnight and 5am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 27. Blustery, with a west wind 6 to 11 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 39. Northwest wind 7 to 16 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 28. Southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 51. Southwest wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Alton IL
 38.88°N 90.11°W (Elev. 436 ft)
Last Update:
1:01 pm CST Jan 10, 2026
Forecast Valid:
2pm CST Jan 10, 2026-6pm CST Jan 16, 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