351
FNUS75 KFGZ 131218
FWSFGZ

Spot Forecast for Firebox Creek...FTA
National Weather Service Flagstaff AZ
518 AM MST Sun Sep 13 2026

Forecast is based on forecast start time of 0600 MST on September 13.
If conditions become unrepresentative, contact the
National Weather Service in Flagstaff, AZ

.DISCUSSION...A disturbance will move into the state today which
will act as a focus mechanism for shower and thunderstorm
development over the next couple days. For today there is a 30%
chance of thunderstorms developing in the afternoon hours. Brief
heavy rain, gusty winds and lightning will be the hazards with
these storms. Storm development is expect to cease tonight and it
will be dry. On Monday the showers and thunderstorms will be more
numerous over the area as the disturbance pushes into the eastern
part of the state. Heavy rain, frequent lightning, gusty winds
and areas of flash flooding will be possible with these storms.
Storms may last throughout the night Monday and into the early
morning hours on Tuesday.


.TODAY...

Sky/weather.........Mostly sunny. Chance of showers and
                    thunderstorms in the afternoon.
Chance of pcpn......30 percent.
Chance lightning....10 percent increasing to 30 percent in the
                    afternoon.
Max temperature.....70-74.
Min humidity........46-50 percent.
Wind (20 ft)........SW 5-10 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
Max Vent Rate.......Excellent.
Clearing Index......1208.
Mixing height.......9300 ft AGL.
Transport winds.....South 5 to 10 knots shifting to the southwest
                    late in the afternoon.

.TONIGHT...

Sky/weather.........Mostly cloudy. Chance of showers and
                    thunderstorms in the evening, then slight
                    chance of showers and thunderstorms overnight.
Chance of pcpn......30 percent.
Chance lightning....30 percent decreasing to 10 percent overnight.
Min temperature.....51-55.
Max humidity........94-98 percent.
Wind (20 ft)........S 0-5 mph. Gusty and erratic
                    winds expected near thunderstorms.
Min Vent Rate.......Poor.
Clearing Index......2.
Mixing height.......100 ft AGL.
Transport winds.....Southeast around 5 knots.

.MONDAY...

Sky/weather.........Partly sunny. Slight chance of showers and
                    thunderstorms in the morning, then showers and
                    thunderstorms likely in the afternoon.
Chance of pcpn......60 percent.
Chance lightning....20 percent increasing to 60 percent in the
                    afternoon.
Max temperature.....66-70.
Min humidity........53-57 percent.
Wind (20 ft)........SW 5-10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Max Vent Rate.......Good.
Clearing Index......599.
Mixing height.......4600 ft AGL.
Transport winds.....South 5 to 10 knots shifting to the southwest
                    around 15 knots in the afternoon.


A weather forecast table for your SPOT location is linked.
The information provided by this site is for planning purposes only
and is not intended to substitute information provided by an official
National Weather Service SPOT forecast.
https://weather.gov/dlh/fwd?lat=33.8894&lon=-109.7617&clat=33.8894&clon=-109.7617

$$
Forecaster...BERNHART
Requested by...AZ-SDC
Type of request...WILDFIRE
.TAG 2621660.2/FGZ
.DELDT 09/13/26
.FormatterVersion 2.0.0
.EMAIL azsdc@firenet.gov,Danny.Taylor@bia.gov,j.nosie23@gmail.com