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.

Rain

48°F

9°C

Humidity 94%
Wind Speed E 9 mph
Barometer 30.07 in
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Wind Chill44°F (7°C)
Last update 1 Apr 10:50 am CDT
Extended Forecast for

Pierron IL

  • Today

    Today: Showers and possibly a thunderstorm. High near 61. Northeast wind 6 to 9 mph. Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a temperature rising to around 65 by 4am. East wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    Low: 59 °F⇑

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Windy, with a south wind 18 to 23 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 38 mph. Chance of precipitation is 70%.

    High: 76 °F

    Windy. Chance
    Showers then
    Showers
    Likely

  • 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. South wind 8 to 17 mph. 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

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 61. Northeast wind 6 to 9 mph. Chance of precipitation is 90%.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a temperature rising to around 65 by 4am. East wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Windy, with a south wind 18 to 23 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 38 mph. Chance of precipitation is 70%.
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. South wind 8 to 17 mph. 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
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ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
Last Update:
9:41 am CDT Apr 1, 2026
Forecast Valid:
11am 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