Two back-to-back troughs will move through Arizona this afternoon through Wednesday afternoon. The troughs will tap into considerable moisture, bringing anywhere from 0.75” – 1.75” of rain to the Prescott area. Snow levels will generally be in the 6,000’ – 7,000’ range, so most of the precipitation will fall as rain. However, at the end of the event on Wednesday, we may see snow levels briefly drop below 5,000’ and see some snow showers before skies clear. The air will be weakly unstable, especially on Tuesday, so we may here some occasional thunder. We will also have very breezy conditions Tuesday night to Wednesday, but the big story for this week is more rain (and accumulating snows at higher elevations).
Starting on Thursday, a ridge of high pressure will build over the Southwest, with no further precipitation in the forecast for at least the next week. Skies will be mostly sunny, winds will be light, and there will be a pronounced warming trend into the weekend.
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Official National Weather Service forecast