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

45°F

7°C

Humidity 39%
Wind Speed SE 7 mph
Barometer 30.65 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 28 Mar 11:45 am CDT
Extended Forecast for

Pierron IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. Southeast wind around 6 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South wind 5 to 7 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. South wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Breezy, with a south wind 11 to 21 mph, with gusts as high as 28 mph.

    High: 79 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Breezy.

    Low: 64 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 40%.

    High: 82 °F

    Breezy.
    Slight Chance
    Rain then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Southeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 38. South wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 66. South wind 7 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 55. South wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 79. Breezy, with a south wind 11 to 21 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 64. Breezy.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 40%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Thursday
Rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 67.
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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:
11:26 am CDT Mar 28, 2026
Forecast Valid:
12pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation