Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

27°F

-3°C

Humidity 56%
Wind Speed NW 13 G 21 mph
Barometer 30.12 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 19 Jan 1:55 am CST
Extended Forecast for

Pierron IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 10. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 33 mph.

    Low: 10 °F

    Mostly Clear
    and Blustery

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 20. Blustery, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 20 °F

    Sunny and
    Blustery then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. West wind around 6 mph becoming light and variable.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Southwest wind 5 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. South wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 10. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 33 mph.
M.L.King Day
Sunny and cold, with a high near 20. Blustery, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Mostly clear, with a low around 11. West wind around 6 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 35. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 26. South wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly cloudy, with a high near 37.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 24.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 5.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
12:56 am CST Jan 19, 2026
2am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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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