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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.

Overcast

73°F

23°C

Humidity 78%
Wind Speed W 7 mph
Barometer 30.05 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 May 5:45 pm CDT
Extended Forecast for

5 Miles N Royal Lakes IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers after 3am. Cloudy, with a low around 51. North wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63. Northeast wind 8 to 11 mph.

    High: 63 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Northeast wind 6 to 8 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69. East wind 8 to 10 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52. East wind around 9 mph.

    Low: 52 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers after 3am. Cloudy, with a low around 51. North wind 8 to 10 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 63. Northeast wind 8 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 46. Northeast wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 69. East wind 8 to 10 mph.
Thursday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52. East wind around 9 mph.
Friday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 68. Chance of precipitation is 80%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 53.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Royal Lakes IL
 39.19°N 89.95°W (Elev. 584 ft)
Last Update:
5:31 pm CDT May 19, 2026
Forecast Valid:
6pm CDT May 19, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation