Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
70°F
21°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 30.06 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 12:55 am CDT |
Extended Forecast for
Royal Lakes IL
Overnight
Low: 64 °F
Isolated
ShowersThursday
High: 78 °F
Showers
Likely then
Chance
T-stormsThursday Night
Low: 45 °F
Chance
ShowersFriday
High: 56 °F
Breezy.
Partly Sunny
then Slight
Chance
ShowersFriday Night
Low: 37 °F
Partly Cloudy
Saturday
High: 61 °F
Sunny
Saturday Night
Low: 35 °F
Clear
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 39 °F
Mostly Clear
Detailed Forecast
Overnight
Isolated showers. Mostly cloudy, with a low around 64. East wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
Scattered showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon. Cloudy, then becoming mostly sunny during the afternoon, with a high near 78. East wind 5 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Increasing clouds, with a low around 45. Southwest wind 10 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 56. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 37. North wind 8 to 15 mph.
Saturday
Sunny, with a high near 61.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
10:21 pm CDT Oct 14, 2026
1am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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