Weather forecast for Houston: 15 days

A, Chicago represents the weather symbol of sandstorm, which is not conducive to travel, and the option is wrong.

B, Los Angeles represents the symbol of sunny weather, which is conducive to travel and the right choice.

C, Houston represents the weather symbol of fog, which is not conducive to travel, and the option is wrong.

D, new york is a weather sign of moderate rain, which is not conducive to travel, and the options are wrong.

Therefore, choose: B.