Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
45°F
7°C
| Humidity | 76% |
| Wind Speed | N 10 mph |
| Barometer | 30.57 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 17 Oct 8:50 am CDT |
Extended Forecast for
Royal Lakes IL
Today
High: 59 °F
Sunny
Tonight
Low: 33 °F
Clear then
Areas FrostSunday
High: 66 °F
Frost then
SunnySunday Night
Low: 36 °F
Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 42 °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 33. Light and variable wind.
Sunday
Widespread frost, mainly between 7am and 8am. 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. Calm wind.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 42.
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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Point Forecast:
Royal Lakes IL
39.12°N 89.95°W (Elev. 659 ft)
39.12°N 89.95°W (Elev. 659 ft)
9:06 am CDT Oct 17, 2026
9am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
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