A Flood Watch remains in effect for much of AZ today, including Maricopa County, Northwest Pinal County, and Southern Gila County. Widespread light to moderate showers will continue through today, with activity declining and shifting east of the area tonight. Isolated thunderstorms may develop this afternoon as well and lead to higher rain-rates and areas of flash flooding, especially if multiple track over the same spot. The long duration rainfall will also lead to slower response flooding in washes, creeks, streams, and rivers.
A longer duration and widespread rain event will continue through tonight, with moderate to at times heavy rain. Rainfall will be most persistent over southwest-facing slopes and higher terrain areas, which could receive upwards of 2"-4"+ over 24-36 hours. Rises in area washes, creeks, streams, and rivers can be expected at a minimum.
A Marginal Risk of severe weather has been issued by the Storm Prediction Center for today. Along with the heightened flash flood potential, a few embedded/isolated thunderstorms will be capable of producing locally strong to severe wind gusts. An isolated tornado cannot be ruled out (2% probability).
The strong weather system bringing widespread rainfall to the region will also result in breezy conditions across the lower deserts and locally windy conditions to portions of Eastern AZ, especially across the high terrain. The widespread rainfall will mean that blowing dust is not a concern, however, high profile vehicles may encounter difficult driving conditions and loose/unsecured objects and temporary structures may be blown around.
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