if you want to fix it correctly, do what is said above but instead of sticking stuff to the windshield, fix the problem. your problem is under the pass side of the wiper cowel, there is a fresh air cabin duct about 4 x 6 inches with a screen in the center of it, you cannot miss it. get some outdoor durable weather caulking and reseal the base of the duct to the fire wall of the car. i have fixed tons of these, usually you can grab it with you hand and slightly pull it toward the front of the car and the back side will lift up, the factory seam sealer gets old and cracks over the years and when it rains the water dumps in through the crack. its actually a pretty simple job. gettin gthe wiper arms off with the hood on the car is a much different story though!!!