Canada’s rain gauge runs dry, cities top weeks without rain

Extended dry spell grips much of Canada, and rain relief remains limited

Several Canadian cities continue to experience prolonged dry conditions, with no measurable rain in over two weeks.

Saint John’s, N.B., is currently on a 16-day streak, while Montreal, Que., has gone 11 days without significant rainfall.

Baron - Days without measureable rain - August 2025

Vast parts of Ontario, Quebec, and Atlantic Canada are dealing with parched landscapes and elevated fire risk.

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Ottawa has now reached 17 consecutive days without measurable rain, marking its longest dry stretch since Sept. 9-26, 2017, which lasted 18 days.

Baron - Ottawa 7 day forecast - Aug. 11

If dry conditions persist through the week, Ottawa could approach its all-time record dry streak of 25 days, set from March 19 to April 12, 1941.

Rainfall anomalies over the past 30 days show significant deficits, with much of eastern Canada far below seasonal rainfall norms.

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WeatherBell - Past 30 day precipitation anomaly - August 11

While some fire zones in the central Prairies and coastal British Columbia are expected to see rainfall later this week, southern Ontario, Quebec, and Atlantic Canada are likely to stay mostly dry.

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A frontal system mid-week may bring isolated thunderstorms, but widespread soaking rain is not anticipated.

Baron - National rainfall accumulation - Aug 11

Without substantial rainfall, the existing moisture deficits and fire concerns are expected to persist in these regions.

Be sure to check back for the latest weather updates across Canada.

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