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

81°F

27°C

Humidity 84%
Wind Speed Vrbl 6 mph
Barometer 30.04 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Jul 8:50 am CDT
Extended Forecast for

4 Miles NNW Royal Lakes IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 86. South wind 5 to 7 mph.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. South wind 3 to 5 mph.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind 3 to 7 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. West wind 6 to 8 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 86. South wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 70. South wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind 3 to 7 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South wind around 6 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. West wind 6 to 8 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 84.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Royal Lakes IL
 39.17°N 89.98°W (Elev. 587 ft)
Last Update:
6:06 am CDT Jul 15, 2025
Forecast Valid:
9am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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