945
FNUS75 KFGZ 160924
FWSFGZ

Spot Forecast for Firebox Creek...FTA
National Weather Service Flagstaff AZ
224 AM MST Wed Sep 16 2026

Forecast is based on forecast start time of 0600 MST on September 16.
If conditions become unrepresentative, contact the
National Weather Service in Flagstaff, AZ

.DISCUSSION...Deep monsoon moisture in place across northern Arizona
will bring widespread (80% chance) showers and thunderstorms to area
today and tonight. Flash flooding from heavy rain, lightning and
thunderstorm outflow wind gusts to 35 mph are the primary hazards.
On Thursday, the forecast calls for a 40% chance of afternoon showers
and thunderstorms. Ridge winds will generally blow from the south to
southeast between 5-10 mph, but expect erratic winds in the vicinity
of storms. A Flash Flood Watch is in effect for the area through
Thursday at 0500 MST.

.TODAY...

Sky/weather.........Mostly cloudy with a 30% chance of showers and
                    thunderstorms in the morning, becoming an 80%
                    chance of showers and thunderstorms after 1100 MST.
Chance of pcpn......80% percent.
Chance lightning....20 percent increasing to 60 percent in the
                    afternoon.
Max temperature.....61-67.
Min humidity........66-72 percent.
Wind (20 ft)........South winds 5-10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Max Vent Rate.......Poor.
Clearing Index......42.
Mixing height.......1300 ft AGL.
Transport winds.....South around 5 knots shifting to the east
                    late in the afternoon.

.TONIGHT...

Sky/weather.........Cloudy, with an 80% chance of showers and
                    thunderstorms overnight.
Chance of pcpn......80 percent.
Chance lightning....50 percent decreasing to 20 percent after midnight.
Min temperature.....47-53.
Max humidity........100 percent.
Wind (20 ft)........Southeast winds 5-10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Min Vent Rate.......Poor.
Clearing Index......7.
Mixing height.......100 ft AGL.
Transport winds.....East 5 to 10 knots shifting to the southeast
                    overnight.

.THURSDAY...

Sky/weather.........Mostly cloudy with a 20% chance of showers and
                    thunderstorms in the morning, becoming a 40%
                    chance of showers and thunderstorms in the afternoon.
Chance of pcpn......40 percent.
Chance lightning....10 percent increasing to 40 percent in the
                    afternoon.
Max temperature.....63-69.
Min humidity........57-63 percent.
Wind (20 ft)........South winds 5-10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Max Vent Rate.......Good.
Clearing Index......417.
Mixing height.......3700 ft AGL.
Transport winds.....South around 10 knots.


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...RICKEY
Requested by...AZ-SDC
Type of request...WILDFIRE
.TAG 2621660.5/FGZ
.DELDT 09/16/26
.FormatterVersion 2.0.0
.EMAIL Danny.Taylor@bia.gov,j.nosie23@gmail.com,azsdc@firenet.gov