Two Weeks of Rain in Just 24 Hours Find Out When It Hits Your Area

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Two Weeks of Rain in Just 24 Hours Find Out When It Hits Your Area

Heavy rainfall is forecasted for much of Quebec, bringing much-needed relief after weeks of drought. This significant weather event, occurring over just 24 hours, is expected to bring substantial amounts of precipitation beginning Monday.

Upcoming Rainfall Forecast

Starting Monday, October 20, 2025, estimates suggest that some regions could receive up to 50 mm of rain by Wednesday. This storm marks the most substantial precipitation event in the past month, as nearly all of Quebec is set to receive considerable rainfall.

Key Areas Affected

Regions likely to experience the most significant rainfall include:

  • Outaouais
  • Laurentides
  • Lanaudière
  • Montérégie
  • Mauricie
  • Saguenay
  • Bas-Saint-Laurent
  • Capitale-Nationale
  • Beauce
  • Estrie
  • Montreal

Potential Hazards

Alongside heavy rain, wind gusts could reach up to 70 km/h. Thunderstorms are also possible in various locations throughout the affected areas. With the potential for rapid accumulation, particularly around Montreal and Montérégie, motorists should remain cautious of surface run-off and aquaplaning due to the expected heavy deluge.

Rainfall Amounts by Region

Region Expected Rainfall (mm)
Suroît 50+
Outaouais, Laurentides, Lanaudière, Montérégie, Mauricie, Nord de Capitale-Nationale 20-40
Estrie, Mauricie, Capitale-Nationale 20-30

A Week of Rain Ahead

The rainfall will continue throughout the week, although the intensity may lessen after Monday. Quebec will experience limited sunshine due to a series of systems bringing precipitation. While it may not be ideal for outdoor activities, this rainfall is a welcome change, particularly for areas with depleted water supplies.

Local meteorologist Nicolas Lessard emphasizes the importance of preparedness as these weather changes unfold. Residents are advised to stay informed and exercise caution while navigating the upcoming conditions.