Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
64°F
18°C
| Humidity | 72% |
| Wind Speed | Calm |
| Barometer | 29.98 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 11:15 pm CDT |
Extended Forecast for
3 Miles SSW Piasa IL
Tonight
Low: 55 °F
Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 61 °F
Clear
Saturday
High: 88 °F
Mostly Sunny
Saturday Night
Low: 56 °F
Slight Chance
RainSunday
High: 80 °F
Mostly Sunny
Sunday Night
Low: 58 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 55. North wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 82. Light and variable wind.
Thursday Night
Mostly clear, with a low around 57. Calm wind becoming east around 5 mph after midnight.
Friday
Sunny, with a high near 88. Southeast wind 6 to 10 mph.
Friday Night
Clear, with a low around 61. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 58.
Columbus Day
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 54.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Piasa IL
39.08°N 90.15°W (Elev. 610 ft)
39.08°N 90.15°W (Elev. 610 ft)
9:41 pm CDT Oct 7, 2026
11pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
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