<div class="rainy-weather">
<div class="cloud-main"></div>
<div class="cloud-center"></div>
<div class="cloud-left"></div>
<div class="droplet droplet1"></div>
<div class="droplet droplet2"></div>
<div class="droplet droplet3"></div>
<div class="droplet droplet4"></div>
<div class="droplet droplet5"></div>
<div class="droplet droplet6"></div>
</div>

.rainy-weather {
  margin: 3em auto;
  width: 350px;
  height: 400px;
  position: relative;
}

.cloud-main {
  width: 350px;
  height: 130px;
  background: #ccc;
  border-radius: 100em;
  position: absolute;
  z-index: 100;
  top: 50px;
  box-shadow: 0 3px 5px rgba(0,0,0, 0.3);
  background: linear-gradient(#F2F2F2 70%, #E5E5E5);
}

.cloud-center {
  width: 180px;
  height: 180px;
  margin: 0 auto;
  background: #F2F2F2;
  position: absolute;
  border-radius: 100em;
  top: -30px;
  right: 50px;
}

.cloud-left {
  width: 130px;
  height: 130px;
  margin: 0 auto;
  background: #F2F2F2;
  position: absolute;
  border-radius: 100em;
  top: 0;
  right: 160px;
}

.droplet {
  width: 18px;
  height: 35px;
  background: radial-gradient(center, farthest-corner,  #A4DDF5, #76CBF1);
  position: absolute;  
  border-radius: 10px 10px 10px 10px / 30px 30px 10px 10px;
  box-shadow: 0 1px 3px rgba(0,0,0, 0.1);
}

.droplet1, .droplet4 {
  right: 70px;
  top: 100px; 
}

.droplet2, .droplet5 {
  right: 140px;
  top: 130px;
}

.droplet3, .droplet6 {
  right: 190px;
  top: 100px;
}


.droplet1, .droplet2, .droplet3 {
  animation: rain2 linear 1.5s infinite .75s;
}

.droplet4, .droplet5, .droplet6 {
  animation: rain linear 1.5s infinite;
}


@keyframes rain {
  0% {
    transform: rotate(30deg) translate(0,0);
    opacity: 1;
  }
  
  90% {
    transform: rotate(30deg) translate(0, 130px);
    opacity: 1;
  }
  
  100% {
    transform: rotate(30deg) translate(0, 140px);
    opacity: 0;
  }
}

@keyframes rain2 {
  0% {
    transform: rotate(30deg) translate(0,0);
    opacity: 1;
  }
  
  90% {
    transform: rotate(30deg) translate(0, 130px);
    opacity: 1;
  }
  
  100% {
    transform: rotate(30deg) translate(0, 140px);
    opacity: 0;
  }
}