Weather apps on your phone are always fun as well as informative. Stormy 7 is a free weather app for Windows Phone 7. The best feature of Stormy 7 is that it comes with a realistic condensation effect which can be wiped away by blowing into the microphone and wiping the steam on your screen with your fingers. It features realistic water droplets when wiping that move when you move your phone, a real storm with lightning, thunder, rain, and an extra thunder button.

Features;

• Realistic water droplets when wiping that move when you move your phone.
• A real storm with lightening, thunder and rain and an extra thunder button!
• Blow your microphone to make more condensation and see your drawing fade away leaving tracks.
• Change the microphone sensitivity setting to have the most natural blowing on any device.

Here is a short video of the app in action.

You can download the app from here.