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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

21°F

-6°C

Humidity 55%
Wind Speed W 14 G 22 mph
Barometer 30.14 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 17 Mar 1:55 am CDT
Extended Forecast for

Highland IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 14. Northwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 33. Northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 33 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 5am, then a chance of rain and snow. Cloudy, with a low around 29. Light southeast wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 50%.

    Low: 29 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 61. South wind 10 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 61 °F

    Chance Rain
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 14. Northwest wind around 14 mph, with gusts as high as 24 mph.
Tuesday
Increasing clouds, with a high near 33. Northwest wind 6 to 10 mph becoming southwest in the afternoon.
Tuesday Night
A chance of snow before 5am, then a chance of rain and snow. Cloudy, with a low around 29. Light southeast wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 61. South wind 10 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Highland IL
 38.74°N 89.66°W (Elev. 531 ft)
Last Update:
1:41 am CDT Mar 17, 2026
Forecast Valid:
2am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
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