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

46°F

8°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 30.19 in
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Wind Chill43°F (6°C)
Last update 19 Nov 9:50 pm CST
Extended Forecast for

Royal Lakes IL

  • Tonight

    Tonight: Cloudy, with a low around 44. Southeast wind around 6 mph.

    Low: 44 °F

    Cloudy

  • Thursday

    Thursday: A slight chance of rain before 11am, then a chance of rain after 3pm. Patchy fog between 7am and 9am. Otherwise, cloudy, with a high near 59. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 59 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain likely. Patchy fog between 8pm and 1am. Otherwise, cloudy, with a low around 51. Southeast wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: Rain. High near 59. East wind 6 to 10 mph. Chance of precipitation is 90%.

    High: 59 °F

    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 40. North wind 6 to 8 mph.

    Low: 40 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 44. Southeast wind around 6 mph.
Thursday
A slight chance of rain before 11am, then a chance of rain after 3pm. Patchy fog between 7am and 9am. Otherwise, cloudy, with a high near 59. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely. Patchy fog between 8pm and 1am. Otherwise, cloudy, with a low around 51. Southeast wind 3 to 6 mph. Chance of precipitation is 70%.
Friday
Rain. High near 59. East wind 6 to 10 mph. Chance of precipitation is 90%.
Friday Night
A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 40. North wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 58.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Royal Lakes IL
 39.12°N 89.98°W (Elev. 650 ft)
Last Update:
8:16 pm CST Nov 19, 2025
Forecast Valid:
10pm CST Nov 19, 2025-6pm CST Nov 26, 2025
 
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