Area Forecast Discussion
Issued by NWS Flagstaff, AZ

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
FXUS65 KFGZ 201216

Area Forecast Discussion
National Weather Service Flagstaff AZ
515 AM MST Wed Sep 20 2017

.SYNOPSIS...Expect a cooling trend, with increasingly windy
conditions through Friday. Cool conditions will persist over the
weekend, although not as windy. Expect freezing temperatures for
much of the high country Saturday and Sunday mornings.


.DISCUSSION...A significant trough will settle into the Great Basin
over the next day or two, persisting through the weekend. Expect
increasing southwest winds through Friday, ahead of a cold front
that will bring temperatures down to about 10 degrees below normal.
Wind speeds will likely need an advisory by Thursday.

Moisture is limited, with a few light showers possible along and
east of the front Friday, little else in the way of moisture will
accompany this system. Overnight temperatures will drop below
freezing over the weekend for much of the high country. The trough
will slowly move east next week, with temperatures returning to


.AVIATION...For the 12Z package...Expect VFR conditions for the
next 24 hours. Increasing south to southwest winds are forecast
after 16Z, becoming 10-20 kts with gusts from 20-30 kts. The
strongest winds will occur along and north of the Mogollon rim.
Winds speeds are forecast to decrease after 03Z Thursday, but will
likely remain breezy through the overnight hours. Aviation
discussion not updated for TAF amendments.


.FIRE WEATHER...A broad area of low pressure will sit over the
western United States causing breezy southwest winds today, followed
by stronger southwest winds on Thursday.

Friday through Sunday...A passing cold front will bring a
continuation of breezy southwest winds on Friday, along with a
slight chance for thunderstorms on Friday and Saturday. Expect well
below normal daytime temperatures through the weekend.






For Northern Arizona weather information visit is the U.S. government's official web portal to all federal, state and local government web resources and services.