Trenton, IL Weather Forecast
Clinton County, Illinois
Live radar, warnings and storm tracking for Trenton, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Trenton
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Trenton, IL at a glance
Trenton is home to about 2,642 people in Clinton County, across 1.9 square miles. It ranks 435th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is New Baden, 5 miles away.
- County
- Clinton County
- Population
- 2,642 2023 est.
- Land area
- 1.9 sq mi
- People per sq mi
- 1,403
- Forecast point
- 38.6083°N, 89.6852°W
How well can the network see Trenton?
The nearest Doppler radar is KLSX (St. Louis, MO), to the W. Its lowest scan passes about 4,000 ft above Trenton. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KBLV (Belleville/Scott AFB). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Trenton
- New Baden, IL5 mi
- Lebanon, IL7 mi
- Breese, IL9 mi
- Mascoutah, IL9 mi
- Highland, IL11 mi
- O'Fallon, IL12 mi
- Shiloh, IL13 mi
- Troy, IL14 mi
Elsewhere in Illinois
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