. >> reporter: irma handell said she grabbed her purse and her dog. >> neighbors were yelling there's a big fire and everything. after that my husband was out there watering everything. >> reporter: afternoon conditions included wind, high temperatures. that brought help from over one dozen other departments. 100 firefighters in all. >> it's a very fast moving fire. our concern is having hire that we don't want to lose structures. we don't want anyone hurt. so we're going to throw everything we can at it very quickly to try to put these fires out. >> reporter: 15 acres were burned in all. firefighters say they will look into whether a homeless camp next to this fire played a role. live in fairfield tonight, cara liu. >>> you can see dry parched grass everywhere you look. a few clouds passed over head but the hot sun was beating down on those east bay hills. >>> and this week it's only going to get hotter and drier. mark tamayo has the latest. >> reporter: fire a big concern out there. today we really warmed up those numbers inland. antioch 99-degree. fairfield where that fire started