Swansea, Illinois Weather
Swansea, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Swansea, St. Clair County.
Full aviation weather for Swansea is published on the Scott AFB/Midamerica Airport (KBLV) page, 13 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 Swansea 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 Swansea: St Louis Downtown Airport (KCPS) 15 km · St Louis Regional Airport (KALN) 40 km · St. Louis Lambert International Airport (KSTL) 41 km · Sparta Community Airport - Hunter Field (KSAR) 50 km · Creve Coeur Airport (K1H0) 50 km
Conditions reported at KBLV describe the airfield itself. Weather 13 km away can differ, particularly in terrain or near the coast. For conditions at Swansea specifically, see the current conditions and forecast above.
About Swansea, Illinois
Swansea unfolds across gentle swells of land, a place where the broad, open skies of southern Illinois seem to press down with a benevolent weight. Fields of ripening corn and soybeans stretch towards horizons softened by the hazy breath of summer, their emerald and gold hues punctuated by the darker greens of scattered woodlands. The air here, especially in the late afternoon, carries a quiet hum, a blend of distant traffic, the rustle of leaves in oak and maple trees lining residential streets, and the faint, persistent chirping of unseen insects. Roads, some paved and smooth, others gravelly tracks that curve with the land, weave through this landscape, connecting clusters of homes with their neat lawns and the occasional weathered barn. The history of Swansea is deeply entwined with the fertile soil that defines its surroundings, a legacy of agriculture that still underpins its local economy. Originally settled by those drawn to the rich farmland, its character has evolved, absorbing the ebb and flow of regional development. While no single grand monument dominates the skyline, the enduring presence of family farms, some generations old, speaks to a continuity of purpose. The modest commercial districts, with their independent businesses, offer a glimpse into a community that values practicality and neighborly exchange, a spirit that persists even as modern conveniences arrive. Swansea, in its quiet way, embodies a patient resilience, a testament to the enduring connection between people and the land they cultivate.
Live animated radar for Swansea 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 | Swansea, St. Clair County, Illinois |
| Coordinates | 38.533939°N, 89.988994°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62226 |
| Area Code | 217 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Swansea, Illinois Weather Page
This page provides live weather conditions and forecasts for Swansea, 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 Swansea includes coordinates 38.533939°N, 89.988994°W, situated in St. Clair County. ZIP code 62226. Telephone area code: 217. 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.
