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

14°F

-10°C

Humidity 62%
Wind Speed Vrbl 5 mph
Barometer 30.41 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 27 Jan 8:50 pm CST
Extended Forecast for

Pierron IL

Cold Weather Advisory January 28, 01:00am until January 28, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around -2. Wind chill values as low as -10. North wind around 6 mph becoming light and variable.

    Low: -2 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 27. Wind chill values as low as -10. Light west wind increasing to 6 to 11 mph in the morning.

    High: 27 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 8. Southwest wind around 6 mph becoming calm in the evening.

    Low: 8 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 21. Calm wind becoming north around 6 mph in the afternoon.

    High: 21 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4. Calm wind becoming north around 6 mph after midnight.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 15.

    High: 15 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -2. Wind chill values as low as -10. North wind around 6 mph becoming light and variable.
Wednesday
Increasing clouds, with a high near 27. Wind chill values as low as -10. Light west wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 8. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 21. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 4. Calm wind becoming north around 6 mph after midnight.
Friday
Mostly sunny and cold, with a high near 15.
Friday Night
Partly cloudy, with a low around 0.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 25.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
Last Update:
7:46 pm CST Jan 27, 2026
Forecast Valid:
9pm CST Jan 27, 2026-6pm CST Feb 3, 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