Here's a look at the radar loop from the last hour. Already an active start to the day, with Flagstaff being the current hot-spot. Expect rain rates around .5 to 1.5" per hour along with hail sizes near 0.50". Be sure to have a way to receive warnings! | US National Weather Service Flagstaff Arizona

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

2 PM Radar Update: Scattered rain and snow showers continue across central Arizona this afternoon. The area highlighted in yellow has the best potential for a few strong thunderstorms producing quick accumulations of graupel, hail, and gusty winds. If you're out and about or traveling I-17 south of Flagstaff, be prepared for quickly changing conditions. | US National Weather Service Flagstaff Arizona