The first of two rounds of rain and storms moved into the Phoenix area on Friday, Oct. 30. A Flood Watch is in effect for the metro area, and a second, stronger round is expected Saturday evening.
According to AZFamily, Friday is a First Alert Day in the Valley. Rain and storms are possible from morning to evening, with the most precipitation forecast between late morning and early afternoon. Expected totals range from half an inch to an inch (about 13–25 mm), and locally more where storms develop. High temperatures will reach about the mid-70s °F (about 24 °C).
Some storms could be severe. Damaging wind gusts and quarter-size hail are possible. The Flood Watch for the Phoenix metropolitan area is in effect Friday. According to FOX 10, it also covers Maricopa, Pinal, Gila and Yavapai counties. The chances of rain decrease in the evening, but rain remains possible overnight.
Saturday is expected to be drier. AZFamily reports that the second round will begin toward evening. According to FOX 10, it should be mostly dry during the hours when children go trick-or-treating on Halloween. Widespread rain is expected to reach Phoenix after 8 p.m. According to ABC15, flood warnings also cover late Saturday night and Sunday.
Sunday’s rainfall is expected to last longer. AZFamily forecasts totals exceeding 2 inches (about 51 mm) in parts of the Valley, and even more in the state’s higher elevations. According to ABC15, the Valley could receive a total of 1 to 2 inches of rain from Friday through Sunday, and the mountains 2–3 inches or more. The forecast rain is expected to fall on ground that is still saturated from earlier downpours. According to the National Weather Service (NWS), most of the water will therefore run off the surface.
The rain is expected to end Monday. Temperatures in Phoenix over the weekend and into the following week are expected to stay in the 70s °F (about 21–26 °C). Forecasts point to a danger for dry riverbeds, streams and stream crossings. Drivers should avoid flooded sections of road and follow current advisories.
Source: AZFamily
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