A ridge of high pressure over the western United States is bringing unusually hot and dry conditions, with record temperatures expected from May 30 to 31, 2025. The hottest areas include southern Nevada, southeast California, and northwest Arizona. Cooler air and possible light rain from a Pacific cold front and Tropical Storm Alvin are forecast to arrive by early June.
On September 3, 2024, Phoenix shattered its previous heat record after enduring 100 consecutive days of temperatures above 37.8 °C (100 °F). The relentless heat, which began on May 27, continues to wreak havoc across the region, contributing to a surge in heat-related deaths and posing significant risks to vulnerable populations.
Coconino County officials, Arizona are reporting a 200- to 500-year rainfall event hit Museum Fire Burn Scar in Flagstaff, Arizona on August 17, 2021. At approximately 12:15 MST on August 17 (19:15 UTC, August 16), rain began to fall over the Museum Fire Burn Scar,…
Heavy monsoon downpours affecting Flagstaff, Arizona on July 15, 2021, caused severe flash flooding for the second day in a row, forcing authorities to issue numerous warnings and advisories. A Flash Flood Warning was issued for Yavapai and Coconino counties, Ash…
A massive dust storm impacted travel on the Interstate 10 and 8 near Phoenix, Arizona on August 16, 2020, after the city broke its daily high-temperature record with 46.1 °C (115 °F). The storm approached the city around 17:30 LT, causing low visibility…
Parts of northwest Arizona saw heavy snow on the first day of spring on Thursday, March 19, 2020, with up to 30 cm (12 inches) in parts of the country. The National Weather Service (NWS) said up to 30 cm (12 inches) of snow fell in Flagstaff by 05:00 LT on Thursday,…
A severe thunderstorm dumped hailstones up to 4 cm (1.6 inches) in diameter across Phoenix, Arizona, on Thursday, November 21, 2019, leaving a 'snowy scene' in some parts of the desert. While this is a rare event for the region, it's not unprecedented….
Tropical moisture from the remnants of Tropical Cyclone "Raymond" will be transporting northward into the Desert Southwest into the path of a strong closed upper low west of the Baja Peninsula on Tuesday, November 19, 2019. As this frontal system…
Remnants of Hurricane "Lorena" brought floods, strong winds, and a very rare tornado to Arizona on September 23, 2019. The tornado hit the city of Willcox late September 23, injuring 2 people, NWS confirmed. The agency rated it as EF-1 with speeds of 145…
A powerful winter storm dumped record-breaking amounts of snow on Arizona this week, forcing the closure of roads, schools and government offices. Flagstaff Pulliam Airport in Flagstaff, Arizona recorded 911.8 mm (35.9 inches) of snow on February 21, 2019, setting…
