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Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
19°F
-7°C
| Humidity | 35% |
| Wind Speed | NW 18 G 25 mph |
| Barometer | 30.43 in |
| Dewpoint | -4°F (-20°C) |
| Visibility | 10.00 mi |
| Wind Chill | 4°F (-16°C) |
| Last update | 19 Jan 11:50 am CST |
Extended Forecast for
Pierron IL
M.L.King Day

High: 20 °F
Cold
Tonight

Low: 11 °F
Mostly Clear
Tuesday

High: 35 °F
Mostly Sunny
Tuesday Night

Low: 29 °F
Increasing
CloudsWednesday

High: 45 °F
Mostly Sunny
Wednesday Night

Low: 22 °F
Mostly Clear
Thursday

High: 34 °F
Mostly Sunny
Thursday Night

Low: 17 °F
Mostly Cloudy
Friday

High: 25 °F
Mostly Cloudy
Detailed Forecast
M.L.King Day
Sunny and cold, with a high near 20. Northwest wind 8 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 11. West wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 35. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 29. South wind 11 to 16 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 45. West wind 8 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 22.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly cloudy, with a high near 25.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 2.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 15.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 24.
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)
11:57 am CST Jan 19, 2026
12pm CST Jan 19, 2026-6pm CST Jan 25, 2026



