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.

Overcast

32°F

0°C

Humidity 54%
Wind Speed S 7 mph
Barometer 29.74 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 16 Jan 12:35 am CST
Extended Forecast for

5 Miles N Royal Lakes IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 30. South wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 43. West wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18. West wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 23. West wind 13 to 16 mph, with gusts as high as 23 mph.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. Northwest wind 7 to 11 mph.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 19.

    High: 19 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 30. South wind 10 to 13 mph, with gusts as high as 23 mph.
Friday
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 43. West wind 10 to 18 mph, with gusts as high as 28 mph.
Friday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18. West wind 13 to 16 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 23. West wind 13 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 9. Northwest wind 7 to 11 mph.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 10.
M.L.King Day
Sunny and cold, with a high near 19.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 38.
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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:
9:41 pm CST Jan 15, 2026
Forecast Valid:
12am CST Jan 16, 2026-6pm CST Jan 22, 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