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

57°F

14°C

Humidity 48%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 30 Apr 9:45 am CDT
Extended Forecast for

5 Miles N Royal Lakes IL

  • Today

    Today: Increasing clouds, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 64 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. West wind around 6 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59. North wind 6 to 10 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. North wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. Light north wind becoming northwest 5 to 9 mph in the morning.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. West wind around 6 mph becoming north after midnight. Chance of precipitation is 50%.
Friday
Sunny, with a high near 59. North wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 39. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 58. Light north wind becoming northwest 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 71.
Sunday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 52. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 72. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Royal Lakes IL
 39.19°N 89.95°W (Elev. 584 ft)
Last Update:
8:01 am CDT Apr 30, 2026
Forecast Valid:
10am CDT Apr 30, 2026-6pm CDT May 6, 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