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Alton, Illinois Weather

Alton, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Alton, Madison County.

🌡️ Current Conditions
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24-Hour Forecast
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Alton — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Alton and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

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About Alton, Illinois

Alton rises from the Mississippi River's embrace, a place where the broad, muddy current dictates the very breath of the land. It lies 10.2 miles north-east of Florissant, MO (from Florissant, MO: bearing 47°T), and is situated 6.5 miles east-north-east of Old Jamestown. Bluffs, worn smooth by centuries of wind and water, stand sentinel over the riverfront, their limestone faces catching the sun in hues of ochre and pale grey. The air here carries a peculiar dampness, a constant whisper of the vast river that flows ever onward, its presence a palpable force shaping the terrain and the very spirit of the place. Beyond the river's immediate reach, the land rolls gently, a mosaic of cultivated fields and stands of oak and hickory, hinting at the agricultural heart that beats beneath the surface. The history of Alton is deeply etched into its very bones, a narrative of industry and resilience woven from threads of steamboat trade and quarrying. For generations, the limestone extracted from its iconic bluffs provided the building blocks for countless structures, a testament to the enduring strength of the earth and the labor of its people. This riverine heritage, marked by the ebb and flow of commerce on the Mississippi, has shaped Alton's economy, fostering a character that is both sturdy and adaptable, forever tied to the lifeblood of the waterway. The ghosts of its past linger in the weathered brick of its older buildings and the quiet dignity of its mature neighborhoods, a continuous dialogue between yesterday and today.

LocationAlton, Madison County, Illinois
Coordinates38.890604°N, 90.184276°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)62002, 62018
Area Code309
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service