Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
68°F
20°C
| Humidity | 49% |
| Wind Speed | S 7 mph |
| Barometer | 30.14 in |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 10:50 am CDT |
Extended Forecast for
Royal Lakes IL
Today

High: 78 °F
Sunny
Tonight

Low: 52 °F
Mostly Clear
Wednesday

High: 87 °F
Sunny
Wednesday Night

Low: 53 °F
Mostly Clear
Thursday

High: 81 °F
Sunny
Thursday Night

Low: 50 °F
Mostly Clear
Friday

High: 84 °F
Sunny
Friday Night

Low: 57 °F
Clear
Saturday

High: 89 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 78. South wind around 7 mph.
Tonight
Mostly clear, with a low around 52. South wind 3 to 5 mph.
Wednesday
Sunny, with a high near 87. Southwest wind 5 to 9 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 84.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 58.
Columbus Day
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Royal Lakes IL
39.1°N 89.98°W (Elev. 659 ft)
39.1°N 89.98°W (Elev. 659 ft)
10:46 am CDT Oct 6, 2026
11am CDT Oct 6, 2026-6pm CDT Oct 12, 2026


