A surge of robust tropical air pushing across the Southwest has created a slow-moving storm for the region. Severe thunderstorms led to flooding downpours that rushed through roads and neighborhoods across many desert suburbs.
Meanwhile, storms in the Denver area piled up snowlike levels of hail that had residents taking their shovels to the driveways.
San Juan County, Utah, got over a half an inch of rain in under an hour overnight. Emergency managers reported flash flooding across Silver City, N.M., as 1.2 inches of rain fell in an hour in the county.
Areas across the Four Corners region continue to see rapidly accumulating rain amounts and risks of flash flooding.
AccuWeather.com's Andrew Baglini takes a look at the flooding in the Southwest and the hailstorm in Colorado.
Flash flooding rushes around cars at the intersection of Cave Creek and Pinnacle Peak roads in Phoenix, Ariz. Photo by Alicia Joy.
Hail fell across the Denver area Sept. 9.
Rains flooded this Glendale, Ariz., neighborhood. Photo by Kristin Cooper.
Composite of flooding photographs from Arizona Monday.
Residents of a Denver suburb remove heaps of hail by the shovelful.
Following a blustery and chilly weekend, temperatures will once again take a tumble across the northeastern United States during the first half of the week.
Dry weather set to dominate the southern United States into November will only worsen the already extreme drought conditions.
Several storms will bring periods of rain and gusty winds to the west coast of the United States this week.
The changing of the seasons will bring beneficial rainfall to northern Brazil, a region that has experienced severe drought over the past several years.
Powerful solar storms can devastate the world's interconnected power grids, airline operations, satellites and communications networks.
From early signs of winter to tropical development, people should prepare for a wide variety of different weather phenomena that occur during the fall season. Several of which can be notably dangerous.
Oceanside, CA (1999)
A 50' boat missed the harbor due to a wall of dense fog.
New England (1761)
Southeast New England Hurricane -- "most violent in 30 years"-- thousands of trees uprooted in MA and RI blocking roads.
Newbury, VT (1843)
12 inches of snow.