Authorities temporarily closed sections of a federal highway connecting the region to the Chinese border amid the blazes.
Chita, the regional capital with a population of 350,000, sits at the center of a federal state of emergency that has been in place for nearly a month.
The local diocese of the Russian Orthodox Church announced services this week that would include prayers for rain in the Far East region.
The Zabaikalsky region currently accounts for more than 87% of the total area engulfed by wildfires across Russia.
Authorities declared a federal-level emergency in the Far East region last week as raging wildfires showed no sign of slowing down.
The head of Russia’s Federal Forestry Agency said more than 90% of all wildfires burning in the country are currently in the Zabaikalsky region.
As of Monday, 50 wildfires were burning across the Zabaikalsky region and covered roughly 415,137 acres, local authorities said.