Piasa, Illinois Weather
Piasa, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Piasa, Macoupin County.
Full aviation weather for Piasa is published on the St Louis Regional Airport (KALN) page, 26 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. 5 airfields within reach of Piasa 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 Piasa: St Charles County Regional Airport/Smartt Field (KSET) 34 km · Zelmer Memorial Airpark Inc Airport (K5K1) 36 km · St. Louis Lambert International Airport (KSTL) 46 km · Creve Coeur Airport (K1H0) 55 km
Conditions reported at KALN describe the airfield itself. Weather 26 km away can differ, particularly in terrain or near the coast. For conditions at Piasa specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Piasa.
About Piasa, Illinois
Piasa lies in a land where the earth softly rolls, a gentle swell of prairie giving way to the deeper, wooded ravines that define this corner of Macoupin County. It lies 15.9 miles north-north-east of Alton, IL (from Alton, IL: bearing 12°T), and is situated 5.3 miles north of Brighton. The air here, especially in the late afternoon, carries a clean, earthy scent, a blend of sun-baked soil and the damp coolness rising from the lowlands. Fields of corn and soybeans stretch towards the horizon, their emerald and gold hues shifting subtly with the prevailing breeze, punctuated by the darker green of scattered woodlands that cling to the contours of the terrain. Ditches, etched by time and rain, trace silver lines across the landscape, hinting at the unseen waterways that feed the region. The story of Piasa is one of quiet persistence, a history tied to the fertile soil and the enduring spirit of those who have worked it. Once a crossroads for agricultural endeavors, its economy has long been rooted in the bounty of the land, the rhythm of planting and harvest dictating the pulse of daily life. While the grand pronouncements of industry may have passed it by, a sturdy independence defines Piasa, a character forged in the shared work of rural existence. Local gatherings, often centered around the simple pleasures of community, are not mere events but affirmations of a shared heritage, a connection to the past that continues to shape the present.
Live animated radar for Piasa 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 | Piasa, Macoupin County, Illinois |
| Coordinates | 39.11588°N, 90.12372°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62079 |
| Area Code | 309 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Piasa, Illinois Weather Page
This page provides live weather conditions and forecasts for Piasa, 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 Piasa includes coordinates 39.115880°N, 90.123720°W, situated in Macoupin County. ZIP code 62079. 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.
