FXUS65 KFGZ 191137

AFDFGZ



Area Forecast Discussion

National Weather Service Flagstaff AZ

437 AM MST Thu Mar 19 2026



.SYNOPSIS...Arizona will roast under a summer-like high pressure 

cell, with temperatures reaching 20 to 30 degrees above normal for 

the remainder of this week and into the weekend. Please exercise 

appropriate precautions if you are planning on any outdoor activity 

through the weekend.



&&



.DISCUSSION...An anomaly of a high pressure cell will center over 

Arizona today and Friday, before slightly weakening over this 

weekend. The ridge flattens out a bit early next week, but may 

amplify again later in the week.



Expect record breaking temperatures to persist, perhaps all the way 

through the forecast period. However, today through Friday will be 

the warmest days.



&&



.AVIATION...Thursday 19/12Z through Friday 20/12Z...Expect VFR 

conditions. Winds generally light, localized NE drainage winds to 

20kts along and SW of higher terrain will diminish by 15Z Thursday 

and resume after 03Z Friday.



OUTLOOK...Friday 20/12Z through Sunday 22/12Z...Expect VFR 

conditions. Daytime sfc winds W-SW5-15kts Friday, then SW15-25kts on 

Saturday. Light winds overnight, except localized NE drainage winds 

to 20kts will persist along and SW of higher terrain each night.



&&



.FIRE WEATHER...Thursday and Friday...Dry and historically warm. 

Daytime temperatures 20-30 degrees above normal each day, with large 

diurnal swings at night. West through southwest winds 5 to 15 mph 

each afternoon.

  

Saturday through Monday...Very dry with historically warm daytime 

temperatures. Expect temperatures to decrease slightly by Sunday or 

Monday, but still remain at least 20 degrees above normal. Southwest 

winds 15 to 25 mph Saturday, decreasing to 10 to 20 mph and turning 

more west-southwest for Sunday and Monday. Dry conditions, combined 

with historically warm temperatures and increased wind speeds, may 

contribute to enhanced fire weather concerns during this period.



&&



.FGZ WATCHES/WARNINGS/ADVISORIES...



Extreme Heat Warning until 8 PM MST Sunday for AZZ006-037.



&&



$$



PUBLIC...Peterson

AVIATION...Peterson

FIRE WEATHER...Peterson



For Northern Arizona weather information visit

weather.gov/flagstaff