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.

Fog/Mist

68°F

20°C

Humidity 88%
Wind Speed Calm
Barometer 29.86 in
Dewpoint 64°F (18°C)
Visibility 3.00 mi
Last update 20 Sep 1:55 am CDT
Extended Forecast for

Royal Lakes IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 89. South wind 5 to 8 mph.

    High: 89 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 67. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 89. South wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 67. Light and variable wind.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 74.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Royal Lakes IL
 39.12°N 89.95°W (Elev. 659 ft)
Last Update:
10:37 pm CDT Sep 19, 2024
Forecast Valid:
2am CDT Sep 20, 2024-6pm CDT Sep 26, 2024
 
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