Alton ( AWL-tən) is a city on the Mississippi River in Madison County, Illinois, United States, about 18 miles (29 km) north of St. Louis, Missouri. Its population was 25,676 at the 2020 census. It is a part of the River Bend area in the Metro-East region of the Greater St. Louis metropolitan area.
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It is well known for its limestone bluffs along the river north of the city, and it is the former location of an historical state penitentiary and played a significant role preceding and during the American Civil War. It was the site of the last Abraham Lincoln and Stephen Douglas debate in October 1858. The former state penitentiary in Alton was used during the Civil War to hold up to 12,000 Confederate prisoners of war.
From the Wikipedia article Alton, Illinois, CC BY-SA 4.0.
Weather
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Forecast by Open-Meteo from national weather models. A forecast, not a measurement.
The past twelve months
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ERA5 reanalysis from Copernicus, via Open-Meteo. Modelled on a ~25 km grid, not measured at a station.
Air right now
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CAMS European and global air quality forecast, via Open-Meteo. Modelled on an 11–40 km grid; European AQI bands from the EEA.
Nearby on Wikipedia
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Articles with coordinates within 10 km, from English Wikipedia.
Towns around Alton
- Upper Alton3.7 km NE
- Godfrey7.2 km N
- Old Jamestown11 km SW
- Spanish Lake12 km S
- Florissant17 km SW
- Ferguson19 km SW
- Hazelwood21 km SW
- Granite City21 km S
Straight-line distance and compass bearing from the town centre.