Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
77°F
25°C
| Humidity | 28% |
| Wind Speed | S 10 mph |
| Barometer | 29.98 in |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 19 Mar 4:45 pm CDT |
Extended Forecast for
Pierron IL
Tonight

Low: 49 °F
Increasing
CloudsFriday

High: 79 °F
Sunny
Friday Night

Low: 50 °F
Partly Cloudy
Saturday

High: 77 °F
Sunny
Saturday Night

Low: 57 °F
Clear
Sunday

High: 83 °F
Mostly Sunny
Sunday Night

Low: 39 °F
Partly Cloudy
Monday

High: 56 °F
Mostly Sunny
Monday Night

Low: 38 °F
Partly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 49. South wind around 7 mph.
Friday
Sunny, with a high near 79. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 57. South wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of rain. Sunny, with a high near 74. Breezy.
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)
4:36 pm CDT Mar 19, 2026
4pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026


