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Rainfall warning forecasts 30–50 mm for Iqaluit starting Tuesday night
Environment and Climate Change Canada issued a Yellow rainfall warning for Iqaluit at 4:17 a.m. EDT on Tuesday, Aug. 18. It forecasts 30 to 50 millimetres of rain from Tuesday night through Wednesday, tapering Thursday, with sudden reductions in visibility possible. Sourceweather.gc.ca↗
What happened
The warning is in effect for Iqaluit and also identifies Kimmirut. ECCC rates the expected impact as moderate and its forecast confidence as high. Its detailed Iqaluit forecast calls for rain beginning after midnight Tuesday, 15 to 25 mm on Wednesday, and continued rain Wednesday night. Sourceweather.gc.ca↗
Why it matters
The warning gives residents, travellers and operators advance notice of a substantial rain event beginning overnight on Tuesday, Aug. 18. ECCC specifically warns that visibility may be suddenly reduced at times; conditions and alert status can change as the system develops. Sourceweather.gc.ca↗
What happens next
ECCC says heavy rain should taper through Thursday, Aug. 20. Residents should monitor updated alerts and forecasts, particularly before travelling or undertaking outdoor work. Sourceweather.gc.ca↗
Important details
Issued: 4:17 a.m. EDT, Tuesday, Aug. 18, 2026. Expected accumulation: 30–50 mm. Timing: Tuesday night through Wednesday; tapering Thursday. Alert level: Yellow warning; impact level moderate; forecast confidence high. This is an active weather warning, not a report of rainfall already received in Iqaluit.
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