012
WWCN11 CWNT 272131
YELLOW WARNING - RAINFALL
FOR THE GREAT SLAVE AND UPPER MACKENZIE AREAS
UPDATED BY ENVIRONMENT CANADA
AT 3:31 P.M. MDT THURSDAY 27 AUGUST 2026.
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YELLOW LEVEL WARNING - RAINFALL - FOR:
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
HEAVY RAIN IS EXPECTED.
SHOWERS WILL BEGIN THURSDAY AFTERNOON BRINGING 40-60 MM OF RAIN BY
SATURDAY MORNING.
THE SHOWERS WILL BE BANDED AND CONVECTIVE CAUSING THE RAINFALL
AMOUNTS TO BE HIGHLY VARIABLE. LOCAL AREAS MAY SEE RAINFALL AMOUNTS
AS HIGH AS 80 MM.
THE FORT LIARD AND FORT SIMPSON REGIONS WILL SEE THE RAIN TAPER OFF
FRIDAY AFTERNOON, WHILE FORT PROVIDENCE WILL HAVE RAIN UNTIL
SATURDAY MORNING.
SOME TRAVEL DELAYS ARE POSSIBLE. VISIBILITY WILL LIKELY BE SUDDENLY
REDUCED AT TIMES.
RAINFALL WARNINGS ARE ISSUED WHEN SIGNIFICANT IMPACTS ARE EXPECTED
DUE TO RAINFALL AMOUNTS.
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO
NTSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON SOCIAL
MEDIA USING (HASH)NTSTORM.
HTTP://WEATHER.GC.CA
END/PASPC
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