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

37°F

3°C

Humidity 28%
Wind Speed NW 7 mph
Barometer 30.32 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 22 Jan 12:50 pm CST
Extended Forecast for

Pierron IL

Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Cold Weather Advisory January 24, 12:00am until January 24, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 3 to 6 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 8. Light northwest wind becoming north 12 to 17 mph in the evening. Winds could gust as high as 25 mph.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 12. Wind chill values as low as -10. North wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 12 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4. Wind chill values as low as -15. Northeast wind 11 to 13 mph.

    Low: 4 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Cloudy and cold, with a high near 13. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 13 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: Snow. Low around 9. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 9 °F

    Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 17.

    High: 17 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 19.

    High: 19 °F

    Cold

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 8. Light northwest wind becoming north 12 to 17 mph in the evening. Winds could gust as high as 25 mph.
Friday
Partly sunny and cold, with a high near 12. Wind chill values as low as -10. North wind 14 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 4. Wind chill values as low as -15. Northeast wind 11 to 13 mph.
Saturday
Snow likely, mainly after noon. Cloudy and cold, with a high near 13. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. Low around 9. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Sunny and cold, with a high near 19.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 29.
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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:
10:56 am CST Jan 22, 2026
Forecast Valid:
12pm CST Jan 22, 2026-6pm CST Jan 28, 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