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.

Fair

86°F

30°C

Humidity 38%
Wind Speed S 9 mph
Barometer 30.15 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Oct 4:50 pm CDT
Extended Forecast for

4 Miles NNW Royal Lakes IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89. South wind around 6 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Clear, with a low around 61. South wind 3 to 5 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. South wind around 7 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 7 to 15 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89. South wind around 6 mph.
Tonight
Clear, with a low around 61. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 56. South wind around 7 mph.
Sunday
Sunny, with a high near 86. South wind 7 to 15 mph.
Sunday Night
Mostly clear, with a low around 61.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Royal Lakes IL
 39.17°N 89.98°W (Elev. 587 ft)
Last Update:
5:11 pm CDT Oct 3, 2025
Forecast Valid:
5pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation