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

21°F

-6°C

Humidity 49%
Wind Speed W 3 mph
Barometer 30.31 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 22 Jan 4:55 am CST
Extended Forecast for

5 Miles N Royal Lakes IL

Cold Weather Advisory January 23, 03:00am until January 24, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Partly sunny, with a high near 36. West wind 6 to 9 mph.

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. West wind 5 to 10 mph becoming north 11 to 16 mph after midnight. Winds could gust as high as 24 mph.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 10. Wind chill values as low as -10. North wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 1. Wind chill values as low as -15. Northeast wind around 10 mph.

    Low: 1 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after noon. Cloudy and cold, with a high near 11. Northeast wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 11 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: Snow. Low around 7. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 7 °F

    Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 16.

    High: 16 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 18.

    High: 18 °F

    Cold

Detailed Forecast

Today
Partly sunny, with a high near 36. West wind 6 to 9 mph.
Tonight
Mostly cloudy, with a low around 5. West wind 5 to 10 mph becoming north 11 to 16 mph after midnight. Winds could gust as high as 24 mph.
Friday
Mostly cloudy and cold, with a high near 10. Wind chill values as low as -10. North wind 11 to 17 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 1. Wind chill values as low as -15. Northeast wind around 10 mph.
Saturday
Snow likely, mainly after noon. Cloudy and cold, with a high near 11. Northeast wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. Low around 7. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 16.
Sunday Night
Partly cloudy, with a low around -1.
Monday
Sunny and cold, with a high near 18.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Royal Lakes IL
 39.19°N 89.95°W (Elev. 584 ft)
Last Update:
4:46 am CST Jan 22, 2026
Forecast Valid:
5am CST Jan 22, 2026-6pm CST Jan 28, 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