(Portland, OR) -- Hot temperatures and dry conditions hitting the Portland area are prompting a variety of burn bans. Areas of Multnomah County, west of the Sandy River, have banned campfires, fire pits, yard debris and agricultural material. Barbecues are still allowed. Washington County is banning open burning of yard debris, agricultural burning, or land clearing. Residents can still use barbecues, fire pits, smokers and similar cooking appliances.