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

69°F

21°C

Humidity 59%
Wind Speed SW 9 mph
Barometer 29.93 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 31 Mar 2:15 am CDT
Extended Forecast for

5 Miles N Royal Lakes IL

  • Overnight

    Overnight: Partly cloudy, with a low around 62. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 31 mph.

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms before 2am, then rain likely and possibly a thunderstorm between 2am and 4am, then a chance of rain and thunderstorms after 4am. Low around 54. Southwest wind 6 to 9 mph becoming northeast after midnight. Chance of precipitation is 80%.

    Low: 54 °F

    T-storms
    Likely then
    Rain

  • Wednesday

    Wednesday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 7am. High near 68. East wind 8 to 11 mph. Chance of precipitation is 90%.

    High: 68 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am, then a chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 59. Southeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance Rain
    then Chance
    T-storms

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 75. Breezy. Chance of precipitation is 90%.

    High: 75 °F

    Breezy. Rain
    Likely then
    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Rain Likely

  • Friday

    Friday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance Rain
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    T-storms then
    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 62. South wind around 14 mph, with gusts as high as 23 mph.
Tuesday
A 30 percent chance of rain and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 31 mph.
Tuesday Night
Rain and thunderstorms before 2am, then rain likely and possibly a thunderstorm between 2am and 4am, then a chance of rain and thunderstorms after 4am. Low around 54. Southwest wind 6 to 9 mph becoming northeast after midnight. Chance of precipitation is 80%.
Wednesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 7am. High near 68. East wind 8 to 11 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am, then a chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 59. Southeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday
Rain and possibly a thunderstorm. High near 75. Breezy. Chance of precipitation is 90%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Friday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 66. Breezy. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 59.
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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:
1:26 am CDT Mar 31, 2026
Forecast Valid:
2am CDT Mar 31, 2026-6pm CDT Apr 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