The North Thompson Valley left in dark

thunderstorm near Heffley Creek caused a six-hour power outage early Monday morning for the North Thompson and Robson valleys

A thunderstorm near Heffley Creek caused a six-hour power outage early Monday morning for the North Thompson and Robson valleys.

About 10,000 homes and businesses from north of Kamloops to McBride were affected.

The power went out at about 3:15 a.m. and came back on in Clearwater at about 9:20 a.m.