234
FNAK71 PAFC 062030
FWSAER
SPOT FORECAST FOR MASTADON FIRE...DIVISION OF FORESTRY
NATIONAL WEATHER SERVICE ANCHORAGE AK
1230 PM AKDT SAT JUN 6 2026
FORECAST IS BASED ON FORECAST START TIME OF 1300 AKDT ON JUNE 06.
DISCUSSION
SCATTERED CLOUD COVER WILL CONTINUE TO INCREASE THIS AFTERNOON
ALONG WITH INCREASING CHANCES OF SCATTERED SHOWER ACTIVITY. A
COUPLE WET THUNDERSTORMS WILL BE POSSIBLE NEAR AND TO THE NORTH
OF THE FIRE SITE FOR THIS AFTERNOON THROUGH THE EVENING HOURS.
WINDS WILL GENERALLY REMAIN SOUTH TO SOUTHWESTERLY AND
LIGHT (< 10 MPH) TODAY AND TONIGHT, EXCEPT PERHAPS NEAR ANY
THUNDERSTORMS THAT COULD CAUSE BRIEF BUT GUSTY OUTFLOW WINDS.
EXPECT 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 (40-50 PERCENT). SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS.
CWR.................10 PERCENT.
CHANCE OF PCPN......50 PERCENT.
TSTM COVERAGE.......ISOLATED.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 14 MPH.
PCPN AMOUNT.........0.06 INCHES IN AREAS OF SHOWERS.
TIME (AKDT) 1PM 2PM 3PM 4PM 5PM
SKY (%).........41 41 41 44 44
WEATHER COV.....SCT SCT SCT SCT SCT
WEATHER TYPE....RW RW RW RW RW
CWR.............10 10 10 10 10
CHC OF PCPN (%).40 40 40 50 50
TEMP............58 59 59 59 59
RH..............48 47 47 47 48
20 FT WIND DIR..SW SW SW SW SW
20 FT WIND SPD..6 6 6 8 8
20 FT WIND GUST.8 8 8 12 12
MIX HGT (KFT)...4.2 4.2 4.2 3.6 3.6
TRANSP WIND DIR.S S S S S
TRANSP WIND SPD.13 13 13 14 14
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (75-85 PERCENT). ISOLATED
THUNDERSTORMS EARLY IN THE EVENING. SCATTERED
RAIN SHOWERS EARLY IN THE EVENING.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER 3 AM.
CHANCE OF PCPN......50 PERCENT.
TSTM COVERAGE.......ISOLATED.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........77 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 10 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 14 MPH.
PCPN AMOUNT.........0.03 INCHES IN AREAS OF SHOWERS.
TIME (AKDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........44 41 30 49
WEATHER COV.....SCTTRD SCTTRD
WEATHER TYPE....RNSHWR RNSHWR NONE NONE
CWR.............10 10 10 10
CHC OF PCPN (%).50 30 10 10
TEMP............59 57 51 47
RH..............49 54 65 74
20 FT WIND......SW 8G12 SW 9G13 S 10G13 S 7G9
MIX HGT (FT)....3600 3600 500 500
TRANSPORT WIND..S 14 S 13 S 9 S 6
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). ISOLATED RAIN
SHOWERS IN THE LATE MORNING AND AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF PCPN......20 PERCENT.
TSTM COVERAGE.......NONE.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 12 MPH.
PCPN AMOUNT.........0.00 INCHES.
TIME (AKDT) 6 AM 9 AM NOON 3 PM
SKY (%).........80 83 80 81
WEATHER COV..... ISOLTD ISOLTD
WEATHER TYPE....NONE NONE RNSHWR RNSHWR
CWR.............0 0 0 0
CHC OF PCPN (%).10 10 20 20
TEMP............45 49 53 55
RH..............77 71 63 60
20 FT WIND......S 3G6 SW 2G5 SW 5 SW 6G7
MIX HGT (FT)....900 900 2500 2500
TRANSPORT WIND..S 6 S 6 S 8 S 10
FORECASTER...PIETRYCHA
REQUESTED BY...IC ERVIN
TYPE OF REQUEST...WILDFIRE
.TAG 2614947.4/AER
.DELDT 06/06/26
.FORMATTERVERSION 2.0.0
.EMAIL DOF.ACDC.DISPATCH@ALASKA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page