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

68°F

20°C

Humidity 88%
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Sep 9:50 pm CDT
Extended Forecast for

Highland ILSimilar City Names

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 85. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly after 1am. Low around 65. South wind 3 to 7 mph. Chance of precipitation is 80%.

    Low: 65 °F

    Chance
    T-storms then
    T-storms

  • Monday

    Monday: Showers and thunderstorms before 8am, then showers and possibly a thunderstorm, mainly after 8am. High near 81. South wind 7 to 10 mph. Chance of precipitation is 80%.

    High: 81 °F

    T-storms then
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 85. Light south wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Showers and thunderstorms, mainly after 1am. Low around 65. South wind 3 to 7 mph. Chance of precipitation is 80%.
Monday
Showers and thunderstorms before 8am, then showers and possibly a thunderstorm, mainly after 8am. High near 81. South wind 7 to 10 mph. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Highland ILSimilar City Names
 38.74°N 89.69°W (Elev. 548 ft)
Last Update:
6:16 pm CDT Sep 20, 2025
Forecast Valid:
10pm CDT Sep 20, 2025-6pm CDT Sep 27, 2025
 
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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