National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

A Few Clouds and Breezy

81°F

27°C

Humidity 58%
Wind Speed S 23 G 32 mph
Barometer 29.65 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Apr 5:50 pm CDT
Extended Forecast for

5 Miles N Royal Lakes IL

Flood Watch until April 18, 04:00am
Tornado Watch until April 17, 11:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch until April 18, 04:00am
    Tornado Watch until April 17, 11:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 45 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 56. Northwest wind around 18 mph, with gusts as high as 28 mph.

    High: 56 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 63. West wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Northwest wind 5 to 8 mph becoming northeast after midnight.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms. Some of the storms could be severe. Low around 45. South wind 13 to 17 mph becoming west in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 56. Northwest wind around 18 mph, with gusts as high as 28 mph.
Saturday Night
Clear, with a low around 36. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 63. West wind 6 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 36. Northwest wind 5 to 8 mph becoming northeast after midnight.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
5:46 pm CDT Apr 17, 2026
Forecast Valid:
6pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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