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.

Light Snow

9°F

-13°C

Humidity 79%
Wind Speed N 6 mph
Barometer 30.15 in
Dewpoint 4°F (-16°C)
Visibility 2.00 mi
Wind Chill-1°F (-18°C)
Last update 25 Jan 3:55 am CST
Extended Forecast for

West Alton MO

Winter Storm Warning January 25, 04:08am until January 25, 06:00pm
Extreme Cold Warning January 26, 12:00am until January 26, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
Extreme Cold Warning
  •  
    Winter Storm Warning January 25, 04:08am until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Storm Warning

  • Overnight

    Low: 8 °F

    Heavy Snow

  • Sunday

    Sunday: Snow, mainly before 2pm. High near 15. North wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 15 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around -5. Wind chill values as low as -20. Northwest wind 7 to 13 mph.

    Low: -5 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny and cold, with a high near 16. Wind chill values as low as -20. Northwest wind 7 to 11 mph becoming southwest in the afternoon.

    High: 16 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 4. Southwest wind 6 to 10 mph.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 8. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Sunday
Snow, mainly before 2pm. High near 15. North wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around -5. Wind chill values as low as -20. Northwest wind 7 to 13 mph.
Monday
Sunny and cold, with a high near 16. Wind chill values as low as -20. Northwest wind 7 to 11 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 4. Southwest wind 6 to 10 mph.
Tuesday
Sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around -2.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 0.
Thursday
Partly sunny and cold, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 3.
Saturday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Alton MO
 38.86°N 90.22°W (Elev. 427 ft)
Last Update:
3:16 am CST Jan 25, 2026
Forecast Valid:
4am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
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