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

19°F

-7°C

Humidity 35%
Wind Speed NW 18 G 25 mph
Barometer 30.43 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 19 Jan 11:50 am CST
Extended Forecast for

Pierron IL

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 20. Northwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 20 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around 11. West wind around 5 mph becoming light and variable in the evening.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 29. South wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny and cold, with a high near 20. Northwest wind 8 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 11. West wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 35. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 29. South wind 11 to 16 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 45. West wind 8 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 22.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly cloudy, with a high near 25.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 2.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 15.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
Last Update:
11:57 am CST Jan 19, 2026
Forecast Valid:
12pm CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation