Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
25°F
-4°C
| Humidity | 63% |
| Wind Speed | W 12 mph |
| Barometer | 30.35 in |
| Dewpoint | 14°F (-10°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 22 Feb 2:55 am CST |
Extended Forecast for
Pierron IL
Overnight

Low: 20 °F
Partly Cloudy
Sunday

High: 30 °F
Mostly Sunny
and BlusterySunday Night

Low: 14 °F
Partly Cloudy
Monday

High: 33 °F
Becoming
SunnyMonday Night

Low: 18 °F
Mostly Clear
Tuesday
High: 50 °F
Partly Sunny
then Mostly
Cloudy and
BreezyTuesday Night

Low: 35 °F
Mostly Cloudy
Wednesday

High: 54 °F
Partly Sunny
Wednesday Night

Low: 37 °F
Chance Rain
Detailed Forecast
Overnight
Partly cloudy, with a low around 20. Northwest wind around 17 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 30. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 14. Northwest wind 15 to 18 mph, with gusts as high as 26 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 33. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 18. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Mostly cloudy, with a high near 50. Breezy.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 39.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 61.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Pierron IL
38.78°N 89.57°W (Elev. 512 ft)
38.78°N 89.57°W (Elev. 512 ft)
1:41 am CST Feb 22, 2026
3am CST Feb 22, 2026-6pm CST Feb 28, 2026


