A wildfire burning near Thunder Lake in central Alberta triggered emergency evacuations, damaged multiple structures and prompted Barrhead County officials to declare a state of local emergency on Thursday, May 28.

The fire broke out near Thunder Lake, approximately 20 kilometres west of Barrhead and about 150 kilometres northwest of Edmonton. Alberta Emergency Alert issued an evacuation order shortly before 5 p.m. for residents in the Summerlea subdivision as flames spread through the area.

This is an Alberta Emergency Alert. County of Barrhead has UPDATED a wildfire alert.

This alert is in effect for the Thunder Lake Subdivision.

Fire response is still controlling hotspots and assessing impact to utilities.

Evacuation order is still in place for Thunder Lake… pic.twitter.com/QNP2MslZk8

— Alberta Emergency Alert (@AB_EmergAlert) May 29, 2026

Less than an hour later, officials expanded the evacuation zone to include the Thunder Lake subdivision, south of the Thunder Lake Provincial Park boat launch, after reports confirmed structural fires in the community.

Thunder Lake residents remain under evacuation order

By early evening, Barrhead County announced that residents of the Summerlea subdivision could return home after firefighters gained control of the immediate threat. However, the evacuation order remained in effect for the Thunder Lake subdivision as crews continued to monitor hotspots and damaged properties.

Residents forced to leave were instructed to take Highway 18 to Barrhead and register at the county office located at 5306 49 Street. Officials also asked all other people to avoid travelling near the fire area so emergency crews could safely access the scene.

According to Barrhead Fire Regional Services, the wildfire affected eight cabins and about 30 outbuildings. Officials had not yet released a complete damage assessment Thursday night, and it remained unclear how many structures were destroyed or seriously damaged.

The county said the fire had been contained by around 6 p.m., but firefighters continued working in the area because the evacuation order for Thunder Lake remained active.

Witnesses describe black smoke over Thunder Lake

Residents and witnesses described thick black smoke rising over Thunder Lake during the late afternoon. Bayley Timm, who was working in the Summerlea area, said she noticed an enormous black cloud across the lake and decided to leave with her husband so they would not block emergency crews.

She said there was little smell at first, but the smoke was heavy and visible across the area. Highway 18 was reported to be moving slowly as residents evacuated toward Barrhead.

Although the wildfire occurred outside Alberta’s Forest Protection Area, Alberta Wildfire sent resources to assist local crews. Residents can monitor official fire information through the Alberta Wildfire Status Dashboard.

A fire restriction remains in effect for Barrhead County as officials continue to warn residents against unnecessary travel near Thunder Lake. The situation also comes during a difficult wildfire period for Alberta communities. For more related coverage, read Swikblog’s report on the Whitecourt wildfire evacuation in Alberta.

Officials have advised residents in affected areas to rely on confirmed emergency alerts before returning to restricted zones and to follow county instructions as crews continue response and damage assessment work.

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