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.

Overcast

70°F

21°C

Humidity 60%
Wind Speed S 10 mph
Barometer 30.24 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Apr 3:50 pm CDT
Extended Forecast for

Pierron IL

  • Tonight

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

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 80. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly sunny, with a high near 82. Breezy, with a south wind 14 to 20 mph.

    High: 82 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. South wind 13 to 17 mph, with gusts as high as 24 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Southeast wind 6 to 8 mph.
Sunday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 80. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon.
Sunday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly sunny, with a high near 82. Breezy, with a south wind 14 to 20 mph.
Monday Night
Partly cloudy, with a low around 67. South wind 13 to 17 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 60.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69.
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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:
2:46 pm CDT Apr 11, 2026
Forecast Valid:
4pm CDT Apr 11, 2026-6pm CDT Apr 18, 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