Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

34°F

1°C

Humidity 53%
Wind Speed SE 9 mph
Barometer 30.06 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 18 Mar 3:35 am CDT
Extended Forecast for

Pierron IL

  • Overnight

    Overnight: A chance of flurries.  Cloudy, with a low around 29. South wind around 14 mph, with gusts as high as 28 mph.

    Low: 29 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 62. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 62 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 69 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of flurries. Cloudy, with a low around 29. South wind around 14 mph, with gusts as high as 28 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 62. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 41. Light and variable wind.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Light and variable wind becoming southwest around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 45. Light and variable wind.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
1:26 am CDT Mar 18, 2026
3am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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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