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FNAK79 PAFG 261459
FWSAFG

Spot Forecast for 901 Ptarmigan Complex...Bureau of Land Management
National Weather Service Fairbanks AK
659 AM AKDT Sat Jul 26 2025

Forecast is based on forecast start time of 0700 AKDT on July 26.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Mostly sunny skies are expected throughout the forecast period,
with strong northeast winds possible for most of today on
ridgetops and at the fire`s elevation. The strongest winds are
anticipated to be around 15 mph from the northeast, with light and
variable winds setting in for tomorrow. Minimum humidity values
will tend to reside in the mid 30% range with temps in the upper
60s to lower 70s. It`s likely that an inversion layer could set up
around 1 AM tomorrow morning and break down around 10 AM.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent).
CWR.................0 percent.
Tstm Coverage.......None.
Max temperature.....Around 69.
Min humidity........38 percent.
Wind (20 ft)........Northeast winds around 10 mph.
Ridgetop wind.......Northeast winds 5 to 15 mph.
Mixing height.......800 ft AGL increasing to 4100 ft AGL in the
                    late morning and afternoon.
Transport winds.....Northeast around 12 mph.
Inversion burnoff...N/A.

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
Tstm Coverage.......None.
Min temperature.....Around 50.
Max humidity........87 percent.
Wind (20 ft)........Northeast winds 5 to 8 mph.
Ridgetop wind.......Strong northeast winds up to around 15 mph
during the day, weakening into the evening
and becoming light and variable.
Mixing height.......4100 ft AGL decreasing to 400 ft AGL in the
                    late evening and overnight.
Transport winds.....Northeast around 10 mph.
Inversion setup.....Around 0100 Sunday morning.

.SUNDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Tstm Coverage.......None.
Max temperature.....Around 72.
Min humidity........36 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Light winds.
Mixing height.......2300 ft AGL increasing to 3400 ft AGL late in
                    the afternoon.
Transport winds.....Northeast around 3 mph.
Inversion burnoff...Around 1000.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Mostly cloudy. Scattered showers and isolated thunderstorms. Lows
in the mid 50s. Highs in the lower 70s. Southwest winds around
5 mph.
.TUESDAY...
Mostly cloudy with scattered showers and isolated thunderstorms.
Lows in the mid 50s. Highs in the mid 60s. Southwest winds around
10 mph.
.WEDNESDAY...
Cloudy with scattered showers. Lows in the lower 50s. Highs in
the upper 60s. Southwest winds around 8 mph.

$$
Forecaster...SRINIVASAN
Requested by...Upper Yukon Zone
Type of request...WILDFIRE
.TAG 2516410.20/AFG
.DELDT 07/26/25
.FormatterVersion 2.0.0
.EMAIL dale_woitas@fws.gov,2025.ptarmigancomplex@firenet.gov,bpitts@blm.gov,akyfdc@firenet.gov