Weather Alerts - August 2026 (221 reports)
Weather Alerts issued during August 2026.
August 2026 ran 23% above the trailing 12-month average of 180 reports/month.
Weather Alerts
Yellow Wind Warning Issued for Wreckhouse Area
ECCC ·
Weather Alerts
Squall Watch Changed for Eastern Lake Ontario
ECCC ·
Weather Alerts
Orange Air Quality Warning Issued for Nicola
ECCC ·
Weather Alerts
Waterspout Watch in Effect for Western Lake Erie
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Nicola Region
ECCC ·
Weather Alerts high
Orange Rainfall Warning in Effect for Greater Sudbury
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Cumberland County - Minas Shore
ECCC ·
Weather Alerts
Yellow Warning for Les Suêtes Wind Issued in Inverness County
ECCC ·
Weather Alerts
Squall Warning Changed for Eastern Lake Ontario
ECCC ·
Weather Alerts
Yellow Fog Advisory in Effect for Resolute
ECCC ·
Weather Alerts
Squall Warning in Effect for Eastern Lake Ontario
ECCC ·
Weather Alerts
Yellow Heat Warning in Effect for R.M. of Meadow Lake
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Watch in Effect for Elk Valley
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning Issued for Manning - Skagit Valley
ECCC ·
Weather Alerts
Squall Watch Changed for Eastern Lake Ontario
ECCC ·
Weather Alerts
Squall Warning Changed for Southern Lake Huron
ECCC ·
Weather Alerts high
Squall Watch in Effect for Eastern Lake Erie
ECCC ·
Weather Alerts
Waterspout Watch in Effect for Western Lake Erie
ECCC ·
Weather Alerts
Yellow Fog Advisory in Effect for Resolute
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Little Abitibi - Kesagami Lake
ECCC ·
Weather Alerts high
Squall Watch in Effect for Eastern Lake Erie
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for R.M. of Meadow Lake
ECCC ·
Weather Alerts
Yellow Wind Warning for Inverness County - Mabou and North
ECCC ·
Weather Alerts high
Squall Warning in Effect for Western Lake Erie
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Fraser Canyon North
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm in Effect for Dawson
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts high
Squall Watch in Effect for Lake of the Woods
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Manning-Skagit Valley
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm in Effect for Yellowhead Co.
ECCC ·
Weather Alerts
Yellow Warning - Severe Thunderstorm in Effect for Clearwater County
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Watch Issued for Roblin Municipality
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm in Effect for Kananaskis Area
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Resolute
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for South Okanagan
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Clearwater Co. Near Siffleur Wilderness Area
ECCC ·
Weather Alerts
Squall Warning in Effect for Prescott to Cornwall
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Nicola Region
ECCC ·
Weather Alerts
Yellow Wind Warning Issued for Wreckhouse Area
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts high
Squall Watch in Effect for Southern Lake Huron
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Iqaluit
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm in Effect for Temiskaming Shores - Temagami
ECCC ·
Weather Alerts
Severe Thunderstorm Watch Issued for Kings County
ECCC ·
Weather Alerts
Squall Warning Changed for Northern Lake Huron
ECCC ·
Weather Alerts
Squall Watch in Effect for Northern Lake Huron
ECCC ·
Weather Alerts
Squall Warning in Effect for North Channel
ECCC ·
Weather Alerts
Yellow Wind Warning Issued for Channel-Port aux Basques Area
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Iqaluit and Kimmirut
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Resolute
ECCC ·
Weather Alerts
Yellow Storm Surge Warning Issued for Yukon Coastline
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Whistler
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Nicola Region
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning Issued for Paintearth County
ECCC ·
Weather Alerts
Yellow Freezing Rain Warning in Effect for Resolute
ECCC ·
Weather Alerts
Yellow Rainfall Warning in Effect for Arviat
ECCC ·
Weather Alerts
Yellow Storm Surge Warning in Effect for Yukon Coastline
ECCC ·
Weather Alerts
Severe Thunderstorm Watch Issued for Clearwater County Near Nordegg
ECCC ·
Weather Alerts high
Orange Air Quality Warning for Fraser Canyon South Including Lytton
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning in Effect for County of Two Hills
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Haida Gwaii
ECCC ·
Weather Alerts
Squall Watch in Effect for Western Lake Erie
ECCC ·
Weather Alerts
Yellow Fog Advisory for North Coast Coastal Sections
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Sunshine Coast, BC
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for South Okanagan, BC
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm in Effect for Yellowhead Co.
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning in Effect for Clearwater County
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm in Effect for Yellowhead Co. Near Cadomin and Robb
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for South Okanagan
ECCC ·
Weather Alerts
Yellow Rainfall Warning in Effect for Wallace-Woodworth
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Grise Fiord
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm in Effect for East Vancouver Island
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for North Slave Region
ECCC ·
Weather Alerts high
Squall Warning Issued for Kingston to Prescott
ECCC ·
Weather Alerts
Yellow Fog Advisory in Effect for Woodlands County Area
ECCC ·
Weather Alerts
Yellow Rainfall Warning for Southeastern Saskatchewan and Western Manitoba
ECCC ·
Weather Alerts
Yellow Air Quality Warning in Effect for Uranium City - Camsell Portage
ECCC ·
Weather Alerts
Yellow Watch for Severe Thunderstorm in Effect for Cumberland County
ECCC ·
Weather Alerts
Squall Warning Changed for Western Northumberland Strait
ECCC ·
Weather Alerts high
Squall Watch in Effect for Gulf - Magdalen - Southern Half
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts high
Yellow Severe Thunderstorm Warning for Sussex - Kennebecasis Valley and Kings County
ECCC ·
Weather Alerts
Yellow Tornado Watch in Effect for Smoky Lake County Area
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for M.D. of Bighorn
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Fraser Canyon South Including Lytton
ECCC ·
Weather Alerts
Yellow Fog Advisory in Effect for Eastern Lambton County
ECCC ·
Weather Alerts high
Squall Warning in Effect for Prescott to Cornwall
ECCC ·
Weather Alerts
Squall Watch Changed for Prescott to Cornwall
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm in Effect for Winchester - Newington
ECCC ·
Weather Alerts high
Squall Watch in Effect for Prescott to Cornwall
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm - Merrickville-Wolford - Kemptville
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Baker Lake
ECCC ·
Weather Alerts high
Red Tornado Warning Issued for Western Lambton County
ECCC ·
Weather Alerts
Yellow Wind Warning Issued for Clyde River
ECCC ·
Weather Alerts
Squall Warning Changed for Prescott to Cornwall
ECCC ·
Weather Alerts high
Squall Warning in Effect for Southern Georgian Bay
ECCC ·
Weather Alerts high
Squall Watch in Effect for Southern Lake Huron
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Kananaskis Improvement District
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Eastern Lambton County
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Fraser Canyon, BC
ECCC ·
Weather Alerts
Orange Watch - Severe Thunderstorm Changed for M.D. of Willow Creek
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts
Orange Watch - Severe Thunderstorm in Effect for M.D. of Willow Creek
ECCC ·
Weather Alerts high
Red Warning: Severe Thunderstorm Over Coaldale, Alberta
ECCC ·
Weather Alerts high
Yellow Warning: Severe Thunderstorm in Effect for Southern Alberta
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm - Yellowhead Co. near Cadomin and Robb
ECCC ·
Weather Alerts high
Severe Thunderstorm Watch for M.D. of Willow Creek
ECCC ·
Weather Alerts high
Red Warning - Severe Thunderstorm in Effect for M.D. of Willow Creek
ECCC ·
Weather Alerts
Squall Watch in Effect for Western Lake Erie
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Lacombe Co. Near Eckville
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Nicola Region in BC
ECCC ·
Weather Alerts high
Orange Severe Thunderstorm Warning for Mountain View Co.
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Clearwater County, Alberta
ECCC ·
Weather Alerts
Squall Watch Changed for Kingston to Prescott
ECCC ·
Weather Alerts
Squall Warning in Effect for Prescott to Cornwall
ECCC ·
Weather Alerts
Yellow Watch for Severe Thunderstorm in Effect for Merrickville-Wolford - Kemptville
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm in Effect for Winchester - Newington
ECCC ·
Weather Alerts high
Red Tornado Warning Changed for Petawawa - Pembroke - Cobden
ECCC ·
Weather Alerts high
Red Tornado Warning Issued for Eastern Ontario
ECCC ·
Weather Alerts high
Squall Watch in Effect for Lake Nipissing
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Clear Hills County Area
ECCC ·
Weather Alerts high
Squall Warning in Effect for Western Lake Erie
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for Kings County, Nova Scotia
ECCC ·
Weather Alerts
Yellow Air Quality Warning in Effect for Manning - Skagit Valley
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts
Severe Thunderstorm Orange Watch Changed for Edmonton Area
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm - Oromocto and Sunbury County
ECCC ·
Weather Alerts
Yellow Warning - Severe Thunderstorm in Effect for Brazeau Co.
ECCC ·
Weather Alerts
Yellow Warning for Severe Thunderstorm - Brazeau Co. near Brazeau Dam
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Eastern Lambton County
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Nicola Region
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Manning - Skagit Valley
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning in Effect for M.D. of Bighorn
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm for M.D. of Bighorn near Canmore
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm in Effect for Deep River - Whitney - Eastern Algonquin Park
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for Kings County, Nova Scotia
ECCC ·
Weather Alerts high
Red Tornado Warning Issued for Southwestern Ontario
ECCC ·
Weather Alerts
Orange Warning: Severe Thunderstorm for Southern Durham Region
ECCC ·
Weather Alerts high
Orange Severe Thunderstorm Warning for South River - Burk's Falls
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Brantford - County of Brant
ECCC ·
Weather Alerts high
Orange Air Quality Warning in Effect for Nicola Region
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Jasper National Park near Pocahontas
ECCC ·
Weather Alerts
Squall Watch Changed for Whitefish Bay
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for Richmond County
ECCC ·
Weather Alerts high
Squall Watch in Effect for Whitefish Bay
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm in Effect for Manitouwadge - Hornepayne
ECCC ·
Weather Alerts
Yellow Warning for Severe Thunderstorm in B.C. South Peace River
ECCC ·
Weather Alerts high
Squall Warning in Effect for Eastern Lake Superior
ECCC ·
Weather Alerts high
Yellow Warning: Severe Thunderstorm in Effect for Grande Prairie County
ECCC ·
Weather Alerts
Yellow Rainfall Warning in Effect for Eastern Lambton County
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Eastern Fraser Valley
ECCC ·
Weather Alerts
Squall Watch Changed for Lake Nipigon
ECCC ·
Weather Alerts high
Squall Watch Issued for Lake Nipigon
ECCC ·
Weather Alerts high
Squall Warning in Effect for Lake of the Woods
ECCC ·
Weather Alerts
Yellow Heat Warning in Effect for Kings County, Nova Scotia
ECCC ·
Weather Alerts
Yellow Watch for Severe Thunderstorm in Red Lake - Woodland Caribou Park
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm Changed for Red Lake Area
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Clear Hills County, Alberta
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm in Effect for Sioux Lookout - Eastern Lac Seul
ECCC ·
Weather Alerts
Yellow Warning: Severe Thunderstorm in Effect for Maxville - Alexandria
ECCC ·
Weather Alerts high
Squall Warning Issued for Prescott to Cornwall
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm in Effect for Red Lake - Woodland Caribou Park
ECCC ·
Weather Alerts high
Squall Watch in Effect for Lake Winnipeg South Basin
ECCC ·
Weather Alerts
Yellow Fog Advisory Issued for Ft. Liard Region
ECCC ·
Weather Alerts
Yellow Air Quality Warning in Effect for Metro Vancouver
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Eastern Fraser Valley
ECCC ·
Weather Alerts
Yellow Wind Warning Issued for Woodlands Co. near Fort Assiniboine
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for Richmond County
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Kimmirut
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Eastern Fraser Valley
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Manning - Skagit Valley
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for Kings County, Nova Scotia
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Eastern Fraser Valley
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for Kings County, Nova Scotia
ECCC ·
Weather Alerts
Squall Warning in Effect for Western Lake Superior
ECCC ·
Weather Alerts
Yellow Air Quality Warning in Effect for Ft. Simpson Region
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning in Effect for Fort Frances-Emo-Rainy River
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Labrador City and Wabush
ECCC ·
Weather Alerts
Yellow Wind Warning for Wreckhouse Area Near Channel-Port aux Basques
ECCC ·
Weather Alerts high
Tornado Watch Issued for Dryden-Vermilion Bay
ECCC ·
Weather Alerts
Tornado Watch Issued for Dryden - Vermilion Bay
ECCC ·
Weather Alerts
Yellow Les Suêtes Wind Warning Issued for Inverness County
ECCC ·
Weather Alerts
Squall Warning Changed for York Western Half
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning for Armstrong - Auden - Wabakimi Park
ECCC ·
Weather Alerts
Squall Watch Changed for Lake of the Woods
ECCC ·
Weather Alerts
Squall Watch in Effect for Arviat Eastern Half
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Ft. Simpson Region
ECCC ·
Weather Alerts
Yellow Wind Warning for Wreckhouse Area in Effect
ECCC ·
Weather Alerts high
Squall Warning in Effect for Eastern Lake Ontario
ECCC ·
Weather Alerts
Yellow Wind Warning for Kneehill Co. near Three Hills
ECCC ·
Weather Alerts high
Orange Rainfall Warning for St. Catharines - Grimsby - Northern Niagara Region
ECCC ·
Weather Alerts
Yellow Rainfall Warning for Dunnville-Caledonia-Haldimand
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm in Effect for Wollaston Lake - Collins Bay
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for County of Lethbridge Area
ECCC ·
Weather Alerts
Orange Air Quality Warning for M.D. of Ranchland
ECCC ·
Weather Alerts
Yellow Wind Warning Issued for M.D. of Ranchland
ECCC ·
Weather Alerts
Yellow Heat Warning in Effect for R.M. of Wallace-Woodworth
ECCC ·
Weather Alerts
Squall Warning Issued for Eastern Lake Athabasca
ECCC ·
Weather Alerts
Squall Watch Changed for Lake Athabasca Eastern Half
ECCC ·
Weather Alerts high
Squall Watch in Effect for Western Lake Athabasca
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning for M.D. of Opportunity
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Yellowhead County, Alberta
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Watch for Bonavista Peninsula
ECCC ·
Weather Alerts
Yellow Rainfall Warning Issued for Deep River - Whitney - Eastern Algonquin Park
ECCC ·
Weather Alerts
Yellow Watch for Severe Thunderstorm Changed in Woodlands Co.
ECCC ·
Weather Alerts
Yellow Wind Warning in Effect for City of Lloydminster
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for M.D. of Ranchland
ECCC ·
Weather Alerts
Orange Air Quality Warning Changed for North Okanagan
ECCC ·
Weather Alerts high
Squall Watch in Effect for North Labrador Coast
ECCC ·
Weather Alerts
Yellow Watch - Severe Thunderstorm in Effect for Mackenzie Co. near Bistcho Lake
ECCC ·
Weather Alerts
Yellow Fog Advisory in Effect for Woodlands County Area
ECCC ·
Weather Alerts
Waterspout Watch Issued for Strait of Georgia North of Nanaimo
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for City of Calgary
ECCC ·
Weather Alerts high
Orange Air Quality Warning Issued for Jasper National Park Near Pocahontas
ECCC ·
Weather Alerts
Yellow Air Quality Warning Issued for Yellowhead County, Alberta
ECCC ·
Weather Alerts
Yellow Rainfall Warning in Effect for Searchmont - Montreal River Harbour - Batchawana Bay
ECCC ·
Weather Alerts
Yellow Severe Thunderstorm Warning in Effect for Timmins-Cochrane-Iroquois Falls
ECCC ·
Weather Alerts
Yellow Heat Warning Issued for Ft. Liard Region
ECCC ·