stefanie chuang joins us live, stefanie, they've actually shut down some parks because of the sierra. >> reporter: good morning to you kris and scott. this may ruin plans for this fourth of july, but taking no chances is the thing. here at ryder park the gates are open for maintenance, but the signs have been up, here down the street at steel point are closed starting at 6:00 tonight. both are popular for people to gather and watch fireworks again on the fourth of july. like many places, there's a lot of dry grass or what could turn into fuel should people set off illegal fireworks and spark a fire. the signs have been up and police will be enforcing the closures. >> if somebody throws a match or something out here when i'm walking, i worry about that. you know, if it's a fire, it's going to burn up this beautiful area. >> reporter: san mateo is not the only city on the lookout, san jose firefighters have been patrolling neighborhoods for any signs of fireworks which are illegal in san jose. and in fact, at the end of last month, crews had to respond to multiple fires started by el le

stefanie chuang joins us live, stefanie, they've actually shut down some parks because of the sierra. >> reporter: good morning to you kris and scott. this may ruin plans for this fourth of july, but taking no chances is the thing. here at ryder park the gates are open for maintenance, but the signs have been up, here down the street at steel point are closed starting at 6:00 tonight. both are popular for people to gather and watch fireworks again on the fourth of july. like many places, there's a lot of dry grass or what could turn into fue