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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Partly Cloudy
15°F
-9°C
| Humidity | 57% |
| Wind Speed | W 10 mph |
| Barometer | 30.28 in |
| Dewpoint | 3°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 3°F (-16°C) |
| Last update | 17 Jan 11:55 pm CST |
Extended Forecast for
Pierron IL
Overnight

Low: 12 °F
Partly Cloudy
Sunday
High: 31 °F
Mostly Sunny
then Slight
Chance SnowSunday Night
Low: 11 °F
Partly Cloudy
then Mostly
Clear and
BlusteryM.L.King Day

High: 20 °F
Cold
Monday Night

Low: 9 °F
Mostly Clear
Tuesday

High: 35 °F
Mostly Sunny
Tuesday Night

Low: 26 °F
Partly Cloudy
Wednesday

High: 43 °F
Mostly Sunny
Wednesday Night

Low: 20 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 12. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
A chance of flurries before 2pm, then a slight chance of snow between 2pm and 3pm, then a chance of flurries after 3pm. Increasing clouds, with a high near 31. South wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
A chance of flurries before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Blustery, with a southwest wind 11 to 21 mph becoming northwest after midnight. Winds could gust as high as 29 mph.
M.L.King Day
Sunny and cold, with a high near 20. Northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 9. Northwest wind around 6 mph becoming calm.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 22.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 30.
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)
9:36 pm CST Jan 17, 2026
12am CST Jan 18, 2026-6pm CST Jan 24, 2026


