Originally Posted by TZBrown
Those 100% chance of rain predictions, just mean it "will" rain at some time.
It does not necessarily mean it will rain 100% of the time.
Prepare for the worst, hope for the best
But don't stay home
Actually it means that it will definitely rain at least a little, sometime, somewhere in the area. One rain drop ten miles away, and the weatherman can say "see, I told you so".