Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
48°F
9°C
| Humidity | 71% |
| Wind Speed | N 8 mph |
| Barometer | 30.58 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 17 Oct 9:50 am CDT |
Extended Forecast for
Royal Lakes IL
Today
High: 59 °F
Sunny
Tonight
Low: 34 °F
Clear then
Areas FrostSunday
High: 66 °F
Areas Frost
then SunnySunday Night
Low: 36 °F
Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 40 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 59. Northeast wind around 5 mph becoming calm in the morning.
Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 34. Light and variable wind.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 66. South wind 3 to 8 mph.
Sunday Night
Clear, with a low around 36. Light southeast wind.
Monday
Sunny, with a high near 71. Light south wind.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Royal Lakes IL
39.1°N 89.95°W (Elev. 663 ft)
39.1°N 89.95°W (Elev. 663 ft)
9:06 am CDT Oct 17, 2026
10am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
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