A sign warns visitors of high fire danger at the entrance to Garin Regional Park in Hayward on Wednesday, May 1, 2013. Bay Area fire departments are on
A sign warns visitors of high fire danger at the entrance to Garin Regional Park in Hayward on Wednesday, May 1, 2013. Bay Area fire departments are on alert as temperatures are expected to soar, increasing the risk of fire. (Anda Chu / Bay Area News Group)