Hundreds of wildfires are burning across the Western states, Alaska and Canada as fire season perks up amid a sprawling heat wave and widespread dry conditions. …Fires are being fueled by widespread high temperatures and dry conditions. …The preparedness level is at 4 out of 5 for the U.S., and 5 out of 5 in Canada. Intense fire behavior was reported in 10 western US states over recent days in regions afflicted by heat and drought. …Alaska has seen major wildfire activity over the past week, with more than 300,000 of the 750,000 acres burned this year going up in flames, according to the Alaska Division of Forestry & Fire Protection. …After a bit of a lull in firestorms in late June to early July, Canadian wildfires returned in a big way. More than 350 fires are burning out of control across the western two-thirds of the nation. Among the most concerning fires flaring, many are in Manitoba. [A Washington Post subscription is required for full access to this story]