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

75°F

24°C

Humidity 57%
Wind Speed SW 12 mph
Barometer 29.92 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 1:50 pm CDT
Extended Forecast for

Pierron IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. West wind around 9 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Light south wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 8am and 10am. Mostly sunny, with a high near 83. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 50. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    Low: 50 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Partly sunny, with a steady temperature around 55. Northwest wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. West wind around 9 mph.
Tonight
Mostly clear, with a low around 58. Light south wind.
Friday
A slight chance of showers between 8am and 10am. Mostly sunny, with a high near 83. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 50. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a steady temperature around 55. Northwest wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 76.
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:
1:26 pm CDT Apr 16, 2026
Forecast Valid:
2pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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