National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy and Breezy

39°F

4°C

Humidity 33%
Wind Speed NW 25 G 32 mph
Barometer 30.26 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 9 Nov 1:50 pm CST
Extended Forecast for

4 Miles N Trenton IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 40. Breezy, with a northwest wind 21 to 23 mph, with gusts as high as 32 mph.

    High: 40 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Scattered flurries between midnight and 3am. Partly cloudy, with a low around 24. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Scattered
    Flurries

  • Monday

    Monday: Sunny, with a high near 40. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 23. Northwest wind 5 to 8 mph becoming light and variable.

    Low: 23 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 53. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon.

    High: 53 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 40. Breezy, with a northwest wind 21 to 23 mph, with gusts as high as 32 mph.
Tonight
Scattered flurries between midnight and 3am. Partly cloudy, with a low around 24. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 40. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.
Monday Night
Increasing clouds, with a low around 23. Northwest wind 5 to 8 mph becoming light and variable.
Veterans Day
Partly sunny, with a high near 53. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Trenton IL
 38.67°N 89.69°W (Elev. 502 ft)
Last Update:
11:21 am CST Nov 9, 2025
Forecast Valid:
2pm CST Nov 9, 2025-6pm CST Nov 15, 2025
 
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