
NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment
After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >
Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
81°F
27°C
| Humidity | 48% |
| Wind Speed | S 17 G 23 mph |
| Barometer | 29.83 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 15 May 5:50 pm CDT |
Extended Forecast for
5 Miles N Royal Lakes IL
Tonight
Low: 64 °F
Mostly Cloudy
then Chance
T-stormsSaturday

High: 80 °F
T-storms
LikelySaturday Night

Low: 61 °F
Chance
T-stormsSunday
High: 86 °F
Sunny then
Sunny and
BreezySunday Night

Low: 66 °F
Mostly Clear
Monday
High: 87 °F
Breezy.
Slight Chance
T-storms then
T-storms
LikelyMonday Night

Low: 66 °F
Chance
T-storms and
BreezyTuesday
High: 79 °F
Chance
T-storms then
ShowersTuesday Night

Low: 55 °F
Showers
Likely
Detailed Forecast
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday
Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, with a high near 80. South wind 7 to 11 mph. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind 7 to 9 mph.
Sunday
Sunny, with a high near 86. Breezy, with a south wind 11 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 66. South wind around 16 mph, with gusts as high as 25 mph.
Monday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Breezy. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Breezy.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 69.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles N Royal Lakes IL
39.19°N 89.95°W (Elev. 584 ft)
39.19°N 89.95°W (Elev. 584 ft)
5:56 pm CDT May 15, 2026
6pm CDT May 15, 2026-6pm CDT May 22, 2026



