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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
30°F
-1°C
| Humidity | 55% |
| Wind Speed | W 20 G 25 mph |
| Barometer | 30.33 in |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 17°F (-8°C) |
| Last update | 11 Jan 4:15 am CST |
Extended Forecast for
4 Miles N Trenton IL
Overnight

Low: 28 °F
Chance
FlurriesSunday
High: 37 °F
Clearing and
Breezy then
SunnySunday Night

Low: 25 °F
Mostly Clear
Monday

High: 50 °F
Sunny
Monday Night

Low: 35 °F
Partly Cloudy
Tuesday

High: 59 °F
Partly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy
then Slight
Chance RainWednesday
High: 43 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyWednesday Night

Low: 19 °F
Partly Cloudy
Detailed Forecast
Overnight
A chance of flurries before 5am. Mostly cloudy, with a low around 28. Northwest wind around 18 mph, with gusts as high as 31 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 37. Breezy, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 25. Light and variable wind becoming southwest 5 to 8 mph in the evening.
Monday
Sunny, with a high near 50. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 43. Breezy.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles N Trenton IL
38.67°N 89.69°W (Elev. 502 ft)
38.67°N 89.69°W (Elev. 502 ft)
4:31 am CST Jan 11, 2026
4am CST Jan 11, 2026-6pm CST Jan 17, 2026


