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

39°F

4°C

Humidity 93%
Wind Speed NW 9 mph
Barometer 30.03 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 10 Jan 6:50 am CST
Extended Forecast for

5 Miles N Royal Lakes IL

  • Today

    Today: Rain before 9am, then a slight chance of snow between 9am and 10am. High near 45. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Sunny

  • Tonight

    Tonight: Scattered rain and snow showers before midnight, then scattered flurries between midnight and 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Scattered
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 36. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. Southwest wind 5 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48. West wind 7 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Rain before 9am, then a slight chance of snow between 9am and 10am. High near 45. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Scattered rain and snow showers before midnight, then scattered flurries between midnight and 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 36. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 25. Southwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 48. West wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 41.
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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:
6:21 am CST Jan 10, 2026
Forecast Valid:
7am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation