Granite City, Illinois Weather
Granite City, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Granite City, Madison County.
Full aviation weather for Granite City is published on the St Louis Downtown Airport (KCPS) page, 15 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Granite City have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Granite City: St. Louis Lambert International Airport (KSTL) 20 km · St Louis Regional Airport (KALN) 23 km · Creve Coeur Airport (K1H0) 31 km · St Charles County Regional Airport/Smartt Field (KSET) 35 km · Spirit of St Louis Airport (KSUS) 44 km
Conditions reported at KCPS describe the airfield itself. Weather 15 km away can differ, particularly in terrain or near the coast. For conditions at Granite City specifically, see the current conditions and forecast above.
About Granite City, Illinois
Granite City sprawls across a landscape where the flatlands, once the dominion of prairie grasses, now yield to the determined geometry of human endeavor. It lies 5.3 miles north of East Saint Louis, IL (from East Saint Louis, IL: bearing 1°T), and is situated 5.8 miles north-north-east of St. Louis. The air here carries a faint, metallic tang, a subtle hum that speaks of industry, and the sky, a vast canvas of blues and grays, often reflects the muted glow of the nearby urban centers. The terrain is largely level, a gentle inclination towards the Mississippi River, a colossal artery that breathes life and commerce into the region. Even the residential streets possess a certain earnestness, lined with sturdy homes that stand sentinel against the changing seasons, their porches often catching the soft, diffused light that filters through the humid summer air. The very name, Granite City, hints at a foundational strength, though the bedrock beneath is not granite but the rich loess soil. This place rose from the ambition of industrial magnates, its fortunes inextricably linked to the steel mills and manufacturing plants that once defined its skyline, their towering stacks now silent sentinels of a bygone era. The legacy of that industrial might is still palpable, a sturdy, unpretentious character etched into the community. Today, the economy has diversified, but a persistent spirit of hard work and practical ingenuity remains, a quiet force that shapes the daily lives of Granite City's residents. The proximity to the mighty Mississippi River, a constant presence, offers its own kind of majesty, a flowing testament to the enduring power of nature and the relentless march of time.
Live animated radar for Granite City 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 | Granite City, Madison County, Illinois |
| Coordinates | 38.701439°N, 90.14872°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62040, 62048 |
| Area Code | 309 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Granite City, Illinois Weather Page
This page provides live weather conditions and forecasts for Granite City, Illinois, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. 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 Granite City includes coordinates 38.701439°N, 90.148720°W, situated in Madison County. ZIP code 62040, 62048. 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. 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.
