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 Chill | 27°F (-3°C) |
| Last update | 18 Mar 3:35 am CDT |
Extended Forecast for
Pierron IL
Overnight

Low: 29 °F
Chance
FlurriesWednesday

High: 62 °F
Becoming
SunnyWednesday Night

Low: 41 °F
Mostly Cloudy
Thursday

High: 69 °F
Becoming
SunnyThursday Night

Low: 45 °F
Partly Cloudy
Friday

High: 75 °F
Mostly Sunny
Friday Night

Low: 51 °F
Mostly Cloudy
Saturday

High: 77 °F
Sunny
Saturday Night

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.
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)
1:26 am CDT Mar 18, 2026
3am CDT Mar 18, 2026-6pm CDT Mar 24, 2026


