Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

28°F

-2°C

Humidity 40%
Wind Speed S 7 mph
Barometer 30.01 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Jan 6:50 pm CST
Extended Forecast for

5 Miles N Royal Lakes IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: A chance of flurries before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Blustery, with a south wind 6 to 11 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 38 mph.

    Low: 7 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Blustery

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 18. Wind chill values as low as -10. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 18 °F

    Sunny and
    Blustery then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy during the evening, then clear overnight, with a low around 9. West wind around 6 mph becoming light and variable.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Southwest wind 5 to 9 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. South wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of flurries before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Blustery, with a south wind 6 to 11 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 38 mph.
M.L.King Day
Sunny and cold, with a high near 18. Wind chill values as low as -10. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly cloudy during the evening, then clear overnight, with a low around 9. West wind around 6 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 32. Southwest wind 5 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 25. South wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly cloudy, with a high near 33.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 21.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 3.
Sunday
A 20 percent chance of snow. Partly sunny and cold, with a high near 17.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Royal Lakes IL
 39.19°N 89.95°W (Elev. 584 ft)
7:36 pm CST Jan 18, 2026
7pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
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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