Answer:
Rome will suffer danger and destruction.
Step-by-step explanation:
In Act 1, Scene 3, Casca and Cicero meets on the roman Street. The weather on that night is much more terrible than any other days. In the previous scene, i.e., Act 1, scene 2, we see how Cassius and Brutus, together had conspired against Caesar, to overthrow him from being a king of the Rome. In the this Scene, we see nature portending of something terrible that's about to happen, i.e., murder of Caesar. Both Cassius and Brutus were a longtime inmates of Caesar, but when, Caesar received more praises from the citizens of Rome, the want of gaining power over-seize them. They think that Caesar is not able king, because he have weaknesses in him to be a king.
In Act 1, Scene 3, the weather of Rome gets terrible. And Casca shares his dream with Cicero that he saw, a man whose hands are in fire but his flesh is not burning. All these bad omens and natural happenings were a sign to Roman citizen of the danger and destruction that's about to take place in Rome.