Saint-Louis, Quebec Weather

Marine forecast and fishing conditions near Saint-Louis.

Flight conditions near Saint-Louis. Data source: locating…

Soil conditions, frost risk and crop weather for Saint-Louis.

About Saint-Louis, Quebec

Saint-Louis is a municipality in Saint-Louis; Les Maskoutains, Quebec, Canada. It is a small community with a population of 740. Saint-Louis is located at 45.8500°N, 72.9833°W. It observes Eastern Time (UTC−5 / −4). Postal code area: H4Y.

Saint-Louis rests with a quiet weight against the earth, anchored by the slow, deliberate movement of the Rivière Yamaska. It lies 23.8 km south-south-east of Sorel-Tracy, QC (from Sorel-Tracy, QC: bearing 155°T), and is situated 9.3 km north of Saint-Jude. The land here holds a particular stillness, characterized by the subtle rise and fall of the Coteau de Salvail that shapes the horizons of Saint-Louis. As dusk settles, the light catches the surface of the Rivière Yamaska, turning the water into a dark, polished ribbon that mirrors the cooling sky. This terrain, defined by the proximity of the slope and the river, dictates the pace of the days, where the air feels heavy with the scent of damp soil and the seasonal shifts of the valley. Generations have looked to the fertile ground surrounding Saint-Louis to sustain the local economy, keeping the focus sharp on agricultural traditions that anchor the region. Life in Saint-Louis follows the seasonal demands of the harvest, a cycle that remains visible in the quiet industry of the barns and the orderly lines of the fields stretching toward the Coteau de Salvail. The connection to the Rivière Yamaska serves as a constant, historical pulse for the locality, providing a reliable boundary that has guided the development of the land since its earliest days. Neighbors move through the day with a focused intent, their lives shaped by the practical demands of the earth and the enduring presence of the water nearby.

Saint-Louis s'étire avec une patience tranquille sur les terres basses des Maskoutains, là où la terre semble retenir le souffle du jour qui s'éteint. Près du Coteau de Salvail, les champs s'inclinent doucement vers la Rivière Yamaska, dont le cours sinueux sculpte le paysage avec une lenteur presque minérale. Ici, la lumière du crépuscule se dépose sur les sillons agricoles comme une poussière d'or, soulignant la rigueur des labours qui ont bâti la subsistance des familles depuis les premiers défrichements. Saint-Louis vit au rythme de cette terre grasse, une étendue où le ciel, vaste et changeant, semble toucher les rangs de cultures. Les habitations se groupent avec une simplicité modeste, tournées vers le passage de l'eau qui charrie les souvenirs de la vallée. Le silence y possède une épaisseur particulière, celle des plaines qui ont appris à attendre les récoltes et les hivers. L'existence s'écoule sans fracas, portée par une mémoire collective attachée aux cycles du sol et au courant de la Rivière Yamaska, tandis que le relief discret du Coteau de Salvail protège les foyers des vents qui balayent les vastes horizons de cette portion du Québec.

Live animated radar for Saint-Louis 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

About This Saint-Louis, Quebec Weather Page

This page provides live weather conditions and forecasts for Saint-Louis, Quebec, 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 Saint-Louis includes coordinates 45.850000°N, 72.983333°W, situated in Saint-Louis; Les Maskoutains. Postal FSA: H4Y. Telephone area code: 263, 354, 367, 418, 438, 450, 514, 579, 581, 819, 873. 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.