503
FNAK77 PAJK 091345
FWSAJK
SPOT FORECAST FOR BOULDER...USFS
NATIONAL WEATHER SERVICE JUNEAU AK
545 AM AKDT SUN AUG 9 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 AKDT ON AUGUST 09.
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
MOSTLY CLOUDY SKIES CONTINUE NEAR THE SPOT LOCATION THIS MORNING
WITH TEMPERATURES IN THE LOW TO MID 50S AND HUMIDITIES IN THE 90S
EXPECT TEMPERATURE S TO TREND WARMER THROUGH THE AFTERNOON,
REACHING THE LOW TO MID 70S WITH A FEW MORE BREAKS IN THE CLOUD
COVER AND MINIMUM RH VALUES IN THE MID TO UPPER 40S. WINDS STAY
LIGHT THROUGH THE DAY, BECOMING EASTERLY 5 TO 10 MPH FOR A FEW
HOURS THIS AFTERNOON.
A WEAK SYSTEM PUSHES IN FROM THE YUKON THIS AFTERNOON AND
EVENING, BRINGING A SLIGHT CHANCE OF RAIN SHOWERS, 20 TO 30
PERCENT OR LESS AT ANY GIVEN TIME. CANNOT RULE OUT A THUNDERSTORM
NEAR THE HAINES BORDER CROSSING AND INTO THE YUKON FOR A FEW HOURS
THIS AFTERNOON. CONFIDENCE IS MEDIUM TO HIGH THAT NO ORGANIZED
RAIN DEVELOPS OVER THE SPOT.RH VALUES RECOVER TO AROUND 90 PERCENT
OR HIGHER TONIGHT, WITH A SIMILAR PATTERN REPEATING MONDAY.
LOOKING AHEAD, FIRE WEATHER CONCERNS INCREASE THROUGH THE END OF
THE WEEK AS TEMPERATURES WARM INTO THE LOW 80S WITH NO SIGNIFICANT
RAIN EXPECTED AND MINIMUM RH VALUES DROPPING INTO THE LOW 30S BY
THURSDAY AFTERNOON. WINDS NEAR THE SPOT ARE FORECAST TO STAY LIGHT
THROUGH THE WEEK, BUT WILL CONTINUE TO BE MONITORED.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CWR.................5 PERCENT.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........LIGHT WINDS
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 3 MPH SHIFTING TO THE
NORTHEAST 3 TO 5 MPH IN THE LATE MORNING AND
AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (AKDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........66 66 66 52 52 52 52 52 52 67 67
WEATHER COV.....SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW
TSTM COV........ SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 10 10
TEMP............55 59 63 66 69 71 73 75 75 75 75
RH..............89 80 67 61 56 52 49 45 45 45 47
20 FT WIND DIR..SW SW SW S S S S S S S S
20 FT WIND SPD..1 1 1 2 2 2 3 3 3 5 5
20 FT WIND GUST.5 5 5 8 8 8 9 9 9 10 10
MIX HGT (KFT)...0.5 0.5 0.5 2.3 2.3 2.3 2.3 2.3 2.3 1.4 1.4
TRANSP WIND DIR.NW NW NW NE NE NE NE NE NE NE NE
TRANSP WIND SPD.3 3 3 3 3 3 5 5 5 5 5
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT
CHANCE OF RAIN SHOWERS.
CWR.................5 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........LIGHT WINDS
SLOPE/VALLEY.......SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTH 2 TO 5 MPH SHIFTING TO THE NORTHWEST
AROUND 5 MPH AFTER 3 AM.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (AKDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........67 73 78 78
WEATHER COV.....S CHC S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE
TSTM COV........S CHC S CHC
CWR.............10 10 10 10
TEMP............73 65 60 57
RH..............53 70 90 92
20 FT WIND......S 5G10 S 2G8 SW 1G7 W 1G7
MIX HGT (FT)....1400 1400 300 300
TRANSPORT WIND..NE 5 N 3 N 2 N 3
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE MORNING. CHANCE OF
RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
LATE IN THE AFTERNOON.
CWR.................7 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS
SLOPE/VALLEY.......LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE NORTH
LATE IN THE MORNING, THEN SHIFTING TO THE
SOUTHEAST 2 TO 5 MPH IN THE AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (AKDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........72 58 58 58 54 54 54 53 53 53 61 61
WEATHER COV.....SCH SCH SCH SCH CHC CHC
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........ SCH SCH
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
TEMP............55 57 61 66 69 71 73 76 78 77 77 76
RH..............92 90 79 66 59 54 49 45 41 42 42 44
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)...0.5 0.5 0.5 0.5 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3
TRANSP WIND DIR.NW NW NW NW N N N SE SE SE S S
TRANSP WIND SPD.5 5 5 5 5 5 5 2 2 2 5 5
FORECASTER...MORGAN
REQUESTED BY...S RAMIREZ
TYPE OF REQUEST...WILDFIRE
.TAG 2619197.3/AJK
.DELDT 08/09/26
.FORMATTERVERSION 2.0.0
.EMAIL AKTNFC@FIRENET.GOV,SAM.RAMIREZ@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page