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.

Fog/Mist

54°F

12°C

Humidity 88%
Wind Speed E 5 mph
Barometer 30.04 in
Dewpoint 50°F (10°C)
Visibility 5.00 mi
Wind Chill53°F (12°C)
Last update 20 Nov 2:50 pm CST
Extended Forecast for

Pierron IL

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Patchy fog after 10pm. Low around 52. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 100%.

    Low: 52 °F

    Chance Rain
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Friday

    Friday: Rain. Patchy fog before 10am. High near 57. Northeast wind 5 to 8 mph. Chance of precipitation is 100%.

    High: 57 °F

    Rain and
    Patchy Fog
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain, mainly before midnight. Low around 43. Northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 57. North wind 3 to 6 mph.

    High: 57 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain likely, mainly after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

Detailed Forecast

Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Patchy fog after 10pm. Low around 52. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 100%.
Friday
Rain. Patchy fog before 10am. High near 57. Northeast wind 5 to 8 mph. Chance of precipitation is 100%.
Friday Night
Rain, mainly before midnight. Low around 43. Northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 57. North wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 61.
Sunday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 41.
Monday
Rain likely, mainly after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Monday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 48. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 28.
Thanksgiving Day
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
Last Update:
2:41 pm CST Nov 20, 2025
Forecast Valid:
3pm CST Nov 20, 2025-6pm CST Nov 27, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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