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

24°F

-4°C

Humidity 69%
Wind Speed N 6 G 16 mph
Barometer 30.33 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 4 Dec 2:15 am CST
Extended Forecast for

2 Miles WSW Alton IL

  • Overnight

    Overnight: A chance of flurries before 4am. Cloudy, with a low around 12. North wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 12 °F

    Chance
    Flurries

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 22. North wind 3 to 8 mph.

    High: 22 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13. Light and variable wind.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37. South wind 3 to 6 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24. South wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 33.

    High: 33 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 4am. Cloudy, with a low around 12. North wind 8 to 10 mph, with gusts as high as 23 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 22. North wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 13. Light and variable wind.
Friday
Mostly sunny, with a high near 37. South wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 24. South wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 38.
Saturday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
Last Update:
10:11 pm CST Dec 3, 2025
Forecast Valid:
2am CST Dec 4, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation