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.

Partly Cloudy

55°F

13°C

Humidity 88%
Wind Speed N 8 mph
Barometer 29.93 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 18 Nov 5:50 pm CST
Extended Forecast for

Pierron IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Light north wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain likely and possibly a thunderstorm before noon, then rain likely between noon and 3pm, then rain likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 61. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 52. Light and variable wind. Chance of precipitation is 70%.

    Low: 52 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain and thunderstorms before midnight, then a slight chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.

    Low: 45 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Light north wind.
Wednesday
Cloudy, with a high near 57. Light and variable wind.
Wednesday Night
A 20 percent chance of rain after midnight. Cloudy, with a low around 46. Calm wind.
Thursday
Rain likely and possibly a thunderstorm before noon, then rain likely between noon and 3pm, then rain likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 61. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 70%.
Thursday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 52. Light and variable wind. Chance of precipitation is 70%.
Friday
Rain. High near 60. Chance of precipitation is 80%.
Friday Night
A chance of rain and thunderstorms before midnight, then a slight chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 42.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 61.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
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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:
4:56 pm CST Nov 18, 2025
Forecast Valid:
6pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
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