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

73°F

23°C

Humidity 25%
Wind Speed N 14 G 25 mph
Barometer 30.02 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 May 4:50 pm CDT
Extended Forecast for

5 Miles N Royal Lakes IL

  • Tonight

    Tonight: Clear, with a low around 43. North wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the morning.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 53. Southeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61. South wind 7 to 10 mph.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Breezy.

    High: 84 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 43. North wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
A chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 53. Southeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61. South wind 7 to 10 mph.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 84. Breezy.
Sunday Night
Mostly clear, with a low around 66.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 74.
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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:
4:51 pm CDT May 13, 2026
Forecast Valid:
5pm CDT May 13, 2026-6pm CDT May 20, 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