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.

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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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