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 and Breezy

28°F

-2°C

Humidity 38%
Wind Speed W 24 G 39 mph
Barometer 29.93 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 16 Jan 11:35 pm CST
Extended Forecast for

Pierron IL

  • Tonight

    Tonight: A 20 percent chance of snow before 3am. Partly cloudy, with a low around 20. West wind 9 to 15 mph, with gusts as high as 26 mph.

    Low: 20 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 26. West wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 11. West wind 6 to 13 mph.

    Low: 11 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 31. Southwest wind 6 to 15 mph.

    High: 31 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. Southwest wind 8 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 12 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow before 3am. Partly cloudy, with a low around 20. West wind 9 to 15 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 26. West wind 11 to 17 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 11. West wind 6 to 13 mph.
Sunday
Increasing clouds, with a high near 31. Southwest wind 6 to 15 mph.
Sunday Night
Partly cloudy, with a low around 12. Southwest wind 8 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
M.L.King Day
Sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 35.
Thursday Night
A 30 percent chance of snow. Partly cloudy, with a low around 22.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 38.
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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:
9:56 pm CST Jan 16, 2026
Forecast Valid:
11pm CST Jan 16, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation