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.

Mostly Cloudy

63°F

17°C

Humidity 77%
Wind Speed SW 9 mph
Barometer 29.81 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 9 May 9:45 am CDT
Extended Forecast for

Highland ILSimilar City Names

  • Today

    Today: Sunny, with a high near 79. West wind 6 to 13 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight, then isolated showers between midnight and 2am. Increasing clouds, with a low around 56. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 20%.

    Low: 56 °F

    Isolated
    T-storms then
    Isolated
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 68. North wind around 9 mph.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. North wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. West wind 6 to 13 mph.
Tonight
Isolated showers and thunderstorms before midnight, then isolated showers between midnight and 2am. Increasing clouds, with a low around 56. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 68. North wind around 9 mph.
Sunday Night
Partly cloudy, with a low around 45. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 70. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 77.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 50.
Thursday
Sunny, with a high near 75.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Highland ILSimilar City Names
 38.74°N 89.69°W (Elev. 548 ft)
Last Update:
8:06 am CDT May 9, 2026
Forecast Valid:
10am CDT May 9, 2026-6pm CDT May 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation