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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
37°F
3°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.04 in |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 10 Jan 4:15 am CST |
Extended Forecast for
Troy ILSimilar City Names
Today
High: 47 °F
Chance Rain
then SunnyTonight

Low: 26 °F
Decreasing
CloudsSunday

High: 38 °F
Sunny
Sunday Night

Low: 26 °F
Mostly Clear
Monday

High: 51 °F
Mostly Sunny
Monday Night

Low: 37 °F
Mostly Clear
Tuesday

High: 59 °F
Partly Sunny
Tuesday Night

Low: 38 °F
Mostly Cloudy
Wednesday
High: 44 °F
Mostly Cloudy
then Slight
Chance Rain
Detailed Forecast
Today
A 40 percent chance of rain, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 47. Light northwest wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 26. West wind 9 to 17 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 38. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 26. Calm wind becoming southwest 5 to 7 mph after midnight.
Monday
Mostly sunny, with a high near 51. West wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 43.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Troy ILSimilar City Names
38.72°N 89.89°W (Elev. 551 ft)
38.72°N 89.89°W (Elev. 551 ft)
3:16 am CST Jan 10, 2026
4am CST Jan 10, 2026-6pm CST Jan 16, 2026


