Behind yet another cold front Friday evening, temperatures will drop into the upper 30s overnight into Saturday morning. But about a mile or so above the surface, temperatures will drop below freezing by around midnight. This low-level temperature map will be key in determining when precipitation flips over from rain to snow.

Typically, you can see snow even when the surface temperature is just above freezing in the mid-30s. But upper 30s and 40s, you will more than likely see rain. That is how all the precipitation is likely to start as Saturday afternoon. Initial rain begins moving in around 12-2PM from West to East.

By late afternoon or early evening, our temperature above the surface will be falling further below freezing, dropping the surface temperature ever closer to 32°. This wil

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