399
FNAK71 PAFC 061531
FWSAER
SPOT FORECAST FOR MASTADON FIRE...DIVISION OF FORESTRY
NATIONAL WEATHER SERVICE ANCHORAGE AK
731 AM AKDT SAT JUN 6 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 AKDT ON JUNE 06.
DISCUSSION
SCATTERED TO BROKEN CLOUD COVER WILL INCREASE AS THE DAY
PROGRESSES ALONG WITH INCREASING COVERAGE OF SCATTERED SHOWER
ACTIVITY. A COUPLE WET THUNDERSTORMS WILL BE POSSIBLE NEAR AND TO
THE NORTH OF THE FIRE SITE, MAINLY TOWARDS THE AFTERNOON AND
EVENING HOURS TODAY. WINDS WILL GENERALLY REMAIN SOUTHERLY AND
LIGHT TODAY AND TONIGHT, EXCEPT PERHAPS NEAR ANY THUNDERSTORMS
THAT COULD CAUSE BRIEF BUT GUSTY OUTFLOW WINDS. EXPECT NOTICEABLY
COOLER TEMPERATURES BOTH TODAY AND SUNDAY ALONG WITH HIGHER
MINIMUM AFTERNOON RH VALUES COMPARED TO THE PAST FEW DAYS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SCATTERED RAIN
SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS
IN THE AFTERNOON.
CWR.................10 PERCENT.
CHANCE OF PCPN......50 PERCENT.
TSTM COVERAGE.......ISOLATED.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
WINDS POSSIBLE NEAR THUNDERSTORMS IN THE
AFTERNOON.
MIXING HEIGHT.......1000 FT IN THE MORNING INCREASING TO 4200 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 11 MPH.
PCPN AMOUNT.........0.08 INCHES.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS IN THE
EVENING.
CWR.................10 PERCENT.
CHANCE OF PCPN......50 PERCENT.
TSTM COVERAGE.......ISOLATED.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........77 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......3500 FT IN THE EVENING DECREASING TO 500 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 9 MPH.
PCPN AMOUNT.........0.03 INCHES.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). ISOLATED RAIN
SHOWERS THROUGH THE DAY.
CWR.................0 PERCENT.
CHANCE OF PCPN......20 PERCENT.
TSTM COVERAGE.......NONE.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 6 TO 9 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1000 FT IN THE MORNING INCREASING TO 3800 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 8 MPH.
PCPN AMOUNT.........0.00 INCHES.
FORECASTER...SHRIVER
REQUESTED BY...IC ERVIN
TYPE OF REQUEST...WILDFIRE
.TAG 2614947.3/AER
.DELDT 06/06/26
.FORMATTERVERSION 2.0.0
.EMAIL DOF.ACDC.DISPATCH@ALASKA.GOV
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