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

5°F

-15°C

Humidity 32%
Wind Speed N 12 mph
Barometer 30.72 in
Dewpoint -18°F (-28°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 23 Jan 6:50 pm CST
Extended Forecast for

Pierron IL

Cold Weather Advisory January 23, 07:12pm until January 24, 12:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory January 23, 07:12pm until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Tonight

    Low: 3 °F

    Cloudy

  • Saturday

    Saturday: Snow, mainly after 1pm. High near 12. Wind chill values as low as -10. Northeast wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 12 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 9. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: Snow. High near 16. North wind 11 to 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 16 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 14.

    High: 14 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Tonight
Cloudy, with a low around 3. Wind chill values as low as -10. Northeast wind 11 to 13 mph, with gusts as high as 20 mph.
Saturday
Snow, mainly after 1pm. High near 12. Wind chill values as low as -10. Northeast wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 9. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. High near 16. North wind 11 to 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and cold, with a high near 14.
Monday Night
Mostly clear, with a low around 1.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Mostly sunny and cold, with a high near 18.
Thursday Night
Partly cloudy, with a low around 3.
Friday
Mostly sunny and cold, with a high near 20.
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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:
4:56 pm CST Jan 23, 2026
Forecast Valid:
7pm CST Jan 23, 2026-6pm CST Jan 30, 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