Dome Extension, Ontario Weather
Dome Extension, Ontario — live current conditions, hourly and 7-day forecasts, ECCC alerts, aviation weather, radar and satellite imagery, marine and fishing conditions with a solunar forecast, soil and crop conditions for Dome Extension in Cochrane.
Marine forecast and fishing conditions near Dome Extension.
Flight conditions near Dome Extension. Data source: locating…
Soil conditions, frost risk and crop weather for Dome Extension.
About Dome Extension, Ontario
Dome Extension is a locality in Cochrane, Ontario, Canada. It is classified as a village / hamlet. Dome Extension is located at 48.4625°N, 81.2331°W. It observes Eastern Time (UTC−5 / −4). Postal code area: P4N.
Dome Extension sits upon the rugged, enduring terrain of the South Porcupine River, where the northern light settles long and thin across the horizon at dusk. It lies 7.3 km east of Timmins, ON (from Timmins, ON: bearing 98°T), and is situated 2.7 km south-west of South Porcupine. The landscape holds the quiet stillness of a region defined by its proximity to the water of the South Porcupine River and the nearby White Waterfront Conservation Area, which offers a respite of dense, dark timber and mossy earth. Simpson Lake rests only a short distance away, its surface often catching the sudden, sharp clarity of the sky before the evening chill descends. Throughout the year, the air maintains a crisp, bracing quality that seems to sharpen the edges of the trees and stones, lending a stark beauty to the expanse surrounding Dome Extension. The history of Dome Extension is deeply linked to the industrial character of the region, where the pursuit of mineral wealth has long dictated the flow of daily life and the growth of the surrounding settlements. While the distant rumble of Sandy Falls provides a persistent, low-frequency hum in the memory of those who dwell here, the local economy remains focused on the practicalities of extraction and the steady labor that built the foundations of the district. The pace of life here is governed by the shifting seasons and the necessity of preparation for the long, white winters that settle over the land. People move with a deliberate purpose, carrying the weight of a heritage built on persistence and the quiet, collective resilience of those who have made a home in this northern reach.
Live animated radar for Dome Extension and surroundings — RainViewer.
NOAA GOES-19 GEOCOLOR — Canada / Northern U.S. sector. Auto-refreshes every 10 minutes on page reload. Frames the whole country from Newfoundland to the BC coast, plus adjacent Pacific and Atlantic storm approaches.
Source: NOAA/NESDIS GOES-19 · Public domain · Sector code can (Canada / Northern U.S.) · Auto-updates on page reload
| Location | Dome Extension, Cochrane, Ontario |
| Coordinates | 48.4625°N, 81.233056°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | P4N |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), Environment and Climate Change Canada |
About This Dome Extension, Ontario Weather Page
This page provides live weather conditions and forecasts for Dome Extension, Ontario, including current conditions, a 24-hour hourly forecast, 7-day outlook, ECCC extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modelled estimate shown when no station is in range), precipitation radar and NOAA GOES satellite imagery. Additional sections may include marine and fishing conditions with a solunar forecast for coastal localities, and soil temperature, crop weather and live Water Survey of Canada river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Dome Extension includes coordinates 48.462500°N, 81.233056°W, situated in Cochrane. Postal FSA: P4N. Telephone area code: 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905. Timezone: Eastern Time (UTC−5 / −4).
Weather data is sourced from Environment and Climate Change Canada (ECCC) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov, with a modelled estimate used where no nearby reporting station is available. River and stream data is sourced from Water Survey of Canada (WSC) via the ECCC GeoMet realtime hydrometric feed. Marine and solunar data are modelled 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-19 and is public domain.