Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
68°F
20°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 30.06 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 7.00 mi |
| Last update | 15 Oct 1:35 am CDT |
Extended Forecast for
Troy IL
Overnight

Low: 67 °F
Chance
ShowersThursday

High: 81 °F
Showers
Likely and
Patchy FogThursday Night

Low: 48 °F
Showers
LikelyFriday

High: 57 °F
Increasing
Clouds and
BreezyFriday Night

Low: 39 °F
Mostly Cloudy
Saturday

High: 60 °F
Sunny
Saturday Night

Low: 37 °F
Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 40 °F
Mostly Clear
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 67. Light east wind.
Thursday
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog between 10am and 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. East wind 5 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 2am, then isolated showers between 2am and 3am. Increasing clouds, with a low around 48. Southwest wind 11 to 18 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Friday
Increasing clouds, with a high near 57. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 39. North wind 10 to 18 mph.
Saturday
Sunny, with a high near 60.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Troy IL
38.72°N 89.89°W (Elev. 551 ft)
38.72°N 89.89°W (Elev. 551 ft)
1:26 am CDT Oct 15, 2026
1am CDT Oct 15, 2026-6pm CDT Oct 21, 2026


