National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

19°F

-7°C

Humidity 53%
Wind Speed NE 7 mph
Barometer 30.32 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 29 Jan 8:50 am CST
Extended Forecast for

5 Miles N Royal Lakes IL

  • Today

    Today: A 20 percent chance of snow after 4pm. Cloudy and cold, with a high near 19. Northeast wind around 7 mph.

    High: 19 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 1. North wind 3 to 6 mph.

    Low: 1 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 16. North wind 6 to 10 mph.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Wind chill values as low as -15. North wind 7 to 10 mph.

    Low: 1 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17. Northwest wind 7 to 11 mph.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Cloudy and cold, with a high near 19. Northeast wind around 7 mph.
Tonight
A 20 percent chance of snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 1. North wind 3 to 6 mph.
Friday
Partly sunny and cold, with a high near 16. North wind 6 to 10 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Wind chill values as low as -15. North wind 7 to 10 mph.
Saturday
Mostly sunny and cold, with a high near 17. Northwest wind 7 to 11 mph.
Saturday Night
Mostly clear, with a low around -1.
Sunday
Partly sunny, with a high near 25.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
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:
8:12 am CST Jan 29, 2026
Forecast Valid:
9am CST Jan 29, 2026-6pm CST Feb 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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