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

-2°F

-19°C

Humidity 65%
Wind Speed W 12 mph
Barometer 30.41 in
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 26 Jan 3:55 am CST
Extended Forecast for

2 Miles NNE Bethalto IL

Cold Weather Advisory January 26, 06:00pm until January 27, 06:00am
Extreme Cold Warning January 26, 04:16am until January 26, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 04:16am until January 26, 12:00pm

    NOW until 12:00pm Mon

    Extreme Cold Warning

  • Today

    High: 14 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around 2. Wind chill values as low as -15. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 2 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28. West wind 8 to 14 mph becoming northwest in the afternoon.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -3. Wind chill values as low as -10. Northwest wind around 6 mph becoming calm in the evening.

    Low: -3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27. West wind 3 to 8 mph.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 19.

    High: 19 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny and cold, with a high near 14. Wind chill values as low as -25. Northwest wind 8 to 10 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 2. Wind chill values as low as -15. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 28. West wind 8 to 14 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around -3. Wind chill values as low as -10. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 27. West wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 3.
Thursday
Mostly cloudy and cold, with a high near 19.
Thursday Night
Mostly cloudy, with a low around -1.
Friday
Mostly sunny and cold, with a high near 15.
Friday Night
Mostly clear, with a low around -2.
Saturday
Sunny, with a high near 21.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
Last Update:
3:16 am CST Jan 26, 2026
Forecast Valid:
4am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation