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.
Flight conditions near Alton. Data source: locating…
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.
Live animated radar for Alton and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Alton, Madison County, Illinois |
| Coordinates | 38.890604°N, 90.184276°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62002, 62018 |
| Area Code | 309 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Alton, Illinois Weather Page
This page provides live weather conditions and forecasts for Alton, Illinois, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Alton includes coordinates 38.890604°N, 90.184276°W, situated in Madison County. ZIP code 62002, 62018. Telephone area code: 309. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
