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

52°F

11°C

Humidity 77%
Wind Speed E 12 mph
Barometer 30.38 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 11 Apr 8:45 am CDT
Extended Forecast for

Pierron IL

  • Today

    Today: A slight chance of showers between 4pm and 5pm. Mostly sunny, with a high near 72. Southeast wind around 8 mph. Chance of precipitation is 20%.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Southeast wind 6 to 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 79. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Southwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 81. South wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers between 4pm and 5pm. Mostly sunny, with a high near 72. Southeast wind around 8 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 59. Southeast wind 6 to 8 mph.
Sunday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 79. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Southwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 81. South wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
Last Update:
8:26 am CDT Apr 11, 2026
Forecast Valid:
8am CDT Apr 11, 2026-6pm CDT Apr 17, 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