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.

Heavy Rain

55°F

13°C

Humidity 94%
Wind Speed N 13 G 21 mph
Barometer 29.98 in
Dewpoint 53°F (12°C)
Visibility 3.00 mi
Wind Chill51°F (11°C)
Last update 1 Apr 4:35 am CDT
Extended Forecast for

Pierron IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. North wind around 6 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 66. Northeast wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 61. East wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 76. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%.

    High: 76 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 62. Breezy, with a south wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. North wind around 6 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 66. Northeast wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 61. East wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 76. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 62. Breezy, with a south wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 65. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 55.
Sunday Night
Clear, with a low around 34.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 60.
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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:
3:01 am CDT Apr 1, 2026
Forecast Valid:
5am CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
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