NEW : Critical weather conditions expected in Texas , where fires threaten hundreds of homes . Firefighters in Arizona have been stymied by strong winds , high temperatures , low humidity . Winds will lessen , humidity will increase as the week goes on . Comment: The wind is blowing from west to east
NEW : Critical weather conditions expected in Texas , where fires threaten hundreds of homes . Firefighters in Arizona have been stymied by strong winds , high temperatures , low humidity . Winds will lessen , humidity will increase as the week goes on . A fire spokesman said Sunday was a `` hard day '' in southern Arizona .