National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

29°F

-2°C

Humidity 56%
Wind Speed NA
Barometer 30.32 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 10 Nov 2:15 am CST
Extended Forecast for

2 Miles WNW Pierron IL

  • Overnight

    Overnight: Scattered flurries. Partly cloudy, with a low around 23. Northwest wind around 16 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Scattered
    Flurries

  • Monday

    Monday: Scattered flurries before 7am. Sunny, with a high near 39. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 28 mph.

    High: 39 °F

    Scattered
    Flurries and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 23. West wind 5 to 8 mph becoming light and variable.

    Low: 23 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 52. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon.

    High: 52 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered flurries. Partly cloudy, with a low around 23. Northwest wind around 16 mph, with gusts as high as 25 mph.
Monday
Scattered flurries before 7am. Sunny, with a high near 39. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 28 mph.
Monday Night
Increasing clouds, with a low around 23. West wind 5 to 8 mph becoming light and variable.
Veterans Day
Partly sunny, with a high near 52. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 37. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Pierron IL
 38.78°N 89.6°W (Elev. 525 ft)
Last Update:
10:01 pm CST Nov 9, 2025
Forecast Valid:
2am CST Nov 10, 2025-6pm CST Nov 16, 2025
 
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