News Headlines
Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
A Few Clouds
52°F
11°C
| Humidity | 62% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.12 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 9 Jan 3:50 pm CST |
Extended Forecast for
Troy ILSimilar City Names
Tonight
Low: 38 °F
Mostly Cloudy
then Slight
Chance RainSaturday
High: 46 °F
Chance Rain
then SunnySaturday Night
Low: 25 °F
Chance
Sprinkles/Flurries
then Mostly
ClearSunday

High: 37 °F
Sunny
Sunday Night

Low: 25 °F
Mostly Clear
Monday

High: 51 °F
Sunny
Monday Night

Low: 35 °F
Mostly Clear
Tuesday

High: 56 °F
Partly Sunny
Tuesday Night

Low: 37 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 38. Northeast wind around 6 mph becoming calm.
Saturday
A chance of rain before 9am, then a chance of sprinkles after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
A chance of sprinkles and flurries before 11pm, then a chance of flurries between 11pm and midnight. Partly cloudy, with a low around 25. Northwest wind 9 to 15 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 37. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 25. Light and variable wind becoming southwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 42.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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 pm CST Jan 9, 2026
4pm CST Jan 9, 2026-6pm CST Jan 16, 2026



