178
FNAK77 PAJK 090227
FWSAJK
SPOT FORECAST FOR BOULDER...USFS
NATIONAL WEATHER SERVICE JUNEAU AK
627 PM AKDT SAT AUG 8 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 AKDT ON AUGUST 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (907) 790-6824, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
THIS AFTERNOON, SATURDAY THE 8TH, THE WEATHER STATION
ALONG THE HAINES HIGHWAY (HHKA2) REPORTED TEMPS REACHING THE LOW
60S. RH VALUES DROPPED TO NEAR 60 PERCENT AND WINDS WERE GENERALLY
10 MPH OR LESS.
MOSTLY CLOUDY SKIES CONTINUE TONIGHT WITH A SLIGHT CHANCE OF RAIN
SHOWERS, WITH LITTLE TO NO MEASUREABLE PRECIPITATION. FOR SUNDAY,
WE EXPECT TEMPERATURES TO BE WARMER, REACHING THE LOW 70S, WITH A
FEW MORE BREAKS IN THE CLOUD COVER. MINIMUM RH VALUES IN THE
UPPER 40S ARE POSSIBLE. THERE WILL ALSO BE A SLIGHTLY BETTER
CHANCE OF RAIN SHOWERS AS A WEAK SYSTEM PUSHES INTO THE AREA FROM
THE YUKON, BUT ANY ORGANIZED, HEAVIER PRECIPITATION WILL LIKELY
MISS THE SITE THROUGH SUNDAY EVENING. HUMIDITIES ON SUNDAY NIGHT
WILL RECOVER TO AROUND 90 PERCENT, WITH A SIMILAR PATTERN ENSUING
AGAIN ON MONDAY.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING AND OVERNIGHT.
CWR.................6 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........91 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
MIXING HEIGHT.......5200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 1 MPH SHIFTING TO THE NORTH 0
TO 1 MPH IN THE LATE EVENING AND OVERNIGHT.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (AKDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........81 81 81 80 80 80 70 70 70 70 70
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............10 10 10 10 10 10 10 10 10 10 10
TEMP............64 63 62 60 58 57 56 55 55 54 53
RH..............63 65 72 76 84 87 88 88 90 90 91
20 FT WIND DIR..E E E N N N N N N W W
20 FT WIND SPD..2 2 2 1 1 1 0 0 0 1 1
20 FT WIND GUST.8 8 8 7 7 7 6 6 6 7 7
MIX HGT (KFT)...8.1 8.1 8.1 6.1 6.1 6.1 6.1 6.1 6.1 5.2 5.2
TRANSP WIND DIR.SE SE SE N N N N N N NW NW
TRANSP WIND SPD.1 1 1 0 0 0 1 1 1 1 1
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING AND EARLY
AFTERNOON. CHANCE OF RAIN SHOWERS LATE IN THE
AFTERNOON.
CWR.................6 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......8400 FT AGL.
TRANSPORT WINDS.....NORTH 1 TO 2 MPH SHIFTING TO THE EAST AROUND 1
MPH IN THE AFTERNOON.
RAINFALL AMOUNT.....0.02 INCHES.
TIME (AKDT) 6 AM 9 AM NOON 3 PM
SKY (%).........70 70 70 67
WEATHER COV..... S CHC S CHC S CHC
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............10 10 10 10
TEMP............53 61 67 70
RH..............91 71 56 49
20 FT WIND......W 1G7 SW 1G7 S 2G8 S 3G9
MIX HGT (FT)....5200 5200 8400 8400
TRANSPORT WIND..NW 1 NW 2 N 2 NE 1
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING, THEN SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING AND
OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER 3 AM.
CWR.................6 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....EAST AROUND 1 MPH SHIFTING TO THE NORTH 0 TO 2
MPH.
RAINFALL AMOUNT.....0.01 INCHES.
TIME (AKDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........61 72 72 72 87 87 87 84 84 84 88 88
WEATHER COV.....CHC SCH SCH SCH SCH SCH SCH SCH SCH SCH CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
TEMP............69 67 64 63 61 59 58 57 56 56 55 55
RH..............56 61 66 72 79 86 91 93 92 93 92 92
20 FT WIND DIR..S S S S SW SW SW W W W NW NW
20 FT WIND SPD..5 2 2 2 1 1 1 1 1 1 1 1
20 FT WIND GUST.10 8 8 8 7 7 7 7 7 7 7 7
MIX HGT (KFT)...8.1 8.1 8.1 8.1 4.9 4.9 4.9 4.9 4.9 4.9 4.5 4.5
TRANSP WIND DIR.E N N N N N N N N N N N
TRANSP WIND SPD.1 1 1 1 1 1 1 2 2 2 0 0
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN SHOWERS EARLY IN THE MORNING.
CWR.................6 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........43 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
MIXING HEIGHT.......11000 FT AGL.
TRANSPORT WINDS.....NORTH 0 TO 2 MPH SHIFTING TO THE SOUTHEAST
AROUND 1 MPH LATE IN THE AFTERNOON.
RAINFALL AMOUNT.....0.01 INCHES.
TIME (AKDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........88 75 75 75 72 72 72 72 72 72 71 71
WEATHER COV.....CHC SCH SCH SCH
WEATHER TYPE....RW RW RW RW
TSTM COV........
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
TEMP............55 56 59 63 66 69 70 71 72 73 72 71
RH..............93 91 83 72 61 55 50 47 44 42 43 46
20 FT WIND DIR..NW E E E N N N E E E E E
20 FT WIND SPD..1 1 1 1 0 0 0 2 2 2 3 3
20 FT WIND GUST.7 7 7 7 6 6 6 8 8 8 9 9
MIX HGT (KFT)...4.5 4.5 4.5 4.5 11 11 11 11 11 11 10 10
TRANSP WIND DIR.N N N N NE NE NE NE NE NE SE SE
TRANSP WIND SPD.0 2 2 2 2 2 2 1 1 1 1 1
FORECASTER...MJB
REQUESTED BY...S RAMIREZ
TYPE OF REQUEST...WILDFIRE
.TAG 2619197.2/AJK
.DELDT 08/08/26
.FORMATTERVERSION 2.0.0
.EMAIL SAM.RAMIREZ@USDA.GOV,AKTNFC@FIRENET.GOV
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