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.

Overcast

32°F

0°C

Humidity 55%
Wind Speed SW 8 mph
Barometer 29.70 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 16 Jan 6:45 am CST
Extended Forecast for

Pierron IL

  • Today

    Today: A chance of rain and snow before 11am, then a chance of rain after 4pm. Cloudy, with a high near 43. West wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 8pm, then a chance of snow between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 21. West wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27. West wind 10 to 18 mph.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. West wind 6 to 10 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain and snow before 11am, then a chance of rain after 4pm. Cloudy, with a high near 43. West wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
A chance of rain before 8pm, then a chance of snow between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 21. West wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 27. West wind 10 to 18 mph.
Saturday Night
Mostly clear, with a low around 12. West wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 30. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 12.
M.L.King Day
Sunny, with a high near 22.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 26.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 39.
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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:
5:01 am CST Jan 16, 2026
Forecast Valid:
7am CST Jan 16, 2026-6pm CST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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