Weather in Flagstaff

Red Flag Warning issued May 12 at 1:47PM MST until May 13 at 8:00PM MST by NWS Flagstaff AZ

Areas: Northeast Plateaus and Mesas Hwy 264 Northward; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Western Mogollon Rim; Eastern Mogollon Rim; Black Mesa Area; Northeast Plateaus and Mesas South of Hwy 264

12/05/2026, 13:47:00 → 13/05/2026, 20:00:00

* WHAT...Southwest winds 15 to 25 mph with gusts up to 40 mph, Relative Humidity between 8 to 17 percent. * WHERE...Mogollon Rim, Kaibito Plateau, Painted Desert, Little Colorado River Valley in Coconino County, Little Colorado River Valley in Navajo County, and Black Mesa Area. This includes portions of the Apache-Sitgreaves, Coconino and Kaibab National Forests. * WHEN...From 11 AM MST /noon MDT/ to 8 PM MST /9 PM MDT/ Wednesday. * IMPACTS...Rapid spread and growth of any new or existing fires. Elevated potential for new fire starts.

Red Flag Warning issued May 12 at 1:47PM MST until May 13 at 8:00PM MST by NWS Flagstaff AZ

Areas: Kaibab Plateau; Grand Canyon Country; Coconino Plateau

12/05/2026, 13:47:00 → 13/05/2026, 20:00:00

* WHAT...Southwest winds 10 to 20 mph with gusts up to 35 mph, Relative Humidity between 7 to 16 percent. * WHERE...Coconino Plateau, Grand Canyon Country, and Kaibab Plateau. This includes portions Kaibab National Forest. * WHEN...From 11 AM MST /noon MDT/ to 8 PM MST /9 PM MDT/ Wednesday. * IMPACTS...Rapid spread and growth of any new or existing fires. Fires will have the potential to exhibit extreme fire behavior. Elevated potential for new fire starts.

Red Flag Warning issued May 13 at 11:25AM MST until May 13 at 8:00PM MST by NWS Flagstaff AZ

Areas: Kaibab Plateau; Grand Canyon Country; Coconino Plateau; Northeast Plateaus and Mesas Hwy 264 Northward; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Western Mogollon Rim; Eastern Mogollon Rim; Black Mesa Area; Northeast Plateaus and Mesas South of Hwy 264

13/05/2026, 11:25:00 → 13/05/2026, 20:00:00

* WHAT...Southwest winds 15 to 25 mph with gusts up to 40 mph and relative humidity between 7 to 15 percent. * WHERE...Mogollon Rim, Kaibito Plateau, Painted Desert, Kaibab Plateau, Grand Canyon Country, Coconino Plateau, Little Colorado River Valley in Coconino County, Little Colorado River Valley in Navajo County, and Black Mesa Area. This includes portions of the Apache-Sitgreaves, Coconino, and Kaibab national forests. * WHEN...Until 8 PM MST /9 PM MDT/ this evening. * IMPACTS...Rapid spread and growth of any new or existing fires. Fires will have the potential to exhibit extreme fire behavior. Elevated potential for new fire starts.