Wildfire Recovery Act This bill makes changes with respect to the federal cost share for Fire Management Assistance Grants and provides that the federal share shall be not less than 75% of the eligible cost. Specifically, the bill directs the Federal Emergency Management Agency (FEMA) to conduct and complete a rulemaking to provide criteria for the circumstances under which FEMA may recommend that the President increase the federal cost share. Such criteria shall include a threshold metric that assesses the financial impact to a state or local government from responding to a fire for which fire management assistance is being provided.