T-phigram satellite derived sounding vs model output question
As already commented; a good indicator for rain in soundings is that the lower troposphere is saturated by water. Individual saturated levels would imply moisture, but if the moisture doesn't reach the surface then it maybe just clouds or rain that evaporates before reaching surface (virga). The deeper the saturated layer, the better indicator for rain it is. The dew point and ambient temperature doesn't necessarily have to be exactly the same, but very close to each others.

You pointed out cin and cape, but they are really just indicators for forcing convection and aren't necessarily present when it already rains.