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.

Light Rain

63°F

17°C

Humidity 88%
Wind Speed W 8 mph
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Apr 7:45 am CDT
Extended Forecast for

Pierron IL

  • Today

    Today: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Temperature falling to around 54 by 4pm. West wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    High: 63 °F⇓

    Showers then
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 38. West wind 8 to 16 mph.

    Low: 38 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 56. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. West wind 3 to 6 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 59. Northwest wind 6 to 11 mph.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Temperature falling to around 54 by 4pm. West wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 38. West wind 8 to 16 mph.
Sunday
Sunny, with a high near 56. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 38. West wind 3 to 6 mph.
Monday
Sunny, with a high near 59. Northwest wind 6 to 11 mph.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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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:
7:56 am CDT Apr 4, 2026
Forecast Valid:
8am CDT Apr 4, 2026-6pm CDT Apr 10, 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