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.

Fair

5°F

-15°C

Humidity 72%
Wind Speed N 7 mph
Barometer 30.39 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 30 Jan 7:45 am CST
Extended Forecast for

2 Miles WSW Alton IL

  • Today

    Today: A chance of flurries after 1pm. Mostly sunny and cold, with a high near 18. North wind 5 to 11 mph.

    High: 18 °F

    Chance
    Flurries

  • Tonight

    Tonight: A chance of flurries before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 5. North wind around 11 mph.

    Low: 5 °F

    Chance
    Flurries

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 19. Wind chill values as low as -10. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 19 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2. Northwest wind around 6 mph becoming calm in the evening.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Calm wind becoming south 5 to 8 mph in the morning.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Today
A chance of flurries after 1pm. Mostly sunny and cold, with a high near 18. North wind 5 to 11 mph.
Tonight
A chance of flurries before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 5. North wind around 11 mph.
Saturday
Mostly sunny and cold, with a high near 19. Wind chill values as low as -10. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 2. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 30. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
A chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Wednesday
Cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 35.
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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:
8:26 am CST Jan 30, 2026
Forecast Valid:
8am CST Jan 30, 2026-6pm CST Feb 5, 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