16K views · 99 reactions | Here is a model simulation showing how the radar may look as we progress through the day today. | US National Weather Service Tucson Arizona | Facebook

1:05pm MST Update: Here's the latest radar imagery from the over northern Arizona. Scattered to numerous thunderstorms have developed, with the greatest impacts north and west of Flagstaff at this time. Some flash flooding is occurring near the Utah border. Storms are moving to the north-northeast around 20mph, and will continue through the evening with the threat of heavy rain, hail, and high winds with the strongest storms. | US National Weather Service Flagstaff Arizona

Here's what radar could look like through late tonight. Showers & storms will form along the higher terrain in eastern AZ, with a slight chance (20-30%) of storms surviving into the Valley. The main threats will be wind gusts in excess of 35 mph & localized heavy rain. | US National Weather Service Phoenix Arizona