267
FNAK72 PAFC 301338
FWSALU
SPOT FORECAST FOR FY 2026 KATMAI PILE BURNING...WILDLAND FIRE SERVICE (NPS)
NATIONAL WEATHER SERVICE ANCHORAGE AK
538 AM AKDT WED SEP 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 AKDT ON SEPTEMBER 30.
DISCUSSION
HIGH PRESSURE IN SOUTHWEST ALASKA WILL KEEP CONDITIONS MOSTLY DRY
TODAY, WITH PARTLY SUNNY SKIES AND LIGHT NORTH TO NORTHWESTERLY
WINDS. CLOUD COVER INCREASES TONIGHT AS A WEAK DISTURBANCE
APPROACHES THE AREA. THIS DISTURBANCE MAY BRING A FEW LIGHT RAIN
CHANCES OR SNOW SHOWERS TO THE AREA ON WEDNESDAY, THOUGH
PRECIPITATION AMOUNTS SHOULD REMAIN MINIMAL. LIGHT NORTHERLY FLOW
TONIGHT WILL BECOME NORTHWESTERLY AGAIN DURING THE DAY WEDNESDAY.
EXPECT COOL OVERNIGHT TEMPERATURES, GETTING COOLER EACH NIGHT DUE
TO THE CLEARER SKIES. DAYTIME HIGH TEMPERATURES WILL ALSO BE
LIMITED TO THE MID-40S.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 45.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......2800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 65 65 55 55 55 40 40 40 53 53
WEATHER COV.....
WEATHER TYPE....
CWR.............0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10
TEMP............39 38 38 39 40 42 42 43 44 45 45
RH..............85 85 84 81 79 74 68 64 62 60 61
20 FT WIND DIR..N N N N N N NW NW NW NW NW
20 FT WIND SPD..5 5 5 5 5 5 5 5 5 6 6
20 FT WIND GUST.7 7 7 7 7 7 7 7 7 8 8
MIX HGT (KFT)...0.6 0.6 0.6 2.8 2.8 2.8 2.8 2.8 2.8 2.6 2.6
TRANSP WIND DIR.NW NW NW N N N NW NW NW NW NW
TRANSP WIND SPD.7 7 7 8 8 8 10 10 10 12 12
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTH AROUND 6
MPH AFTER 3 AM.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 12 MPH.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........53 61 61 61 50 50 50 36 36 36 27 27
WEATHER COV.....
WEATHER TYPE....
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10
TEMP............44 42 40 38 36 36 34 33 32 31 30 30
RH..............62 64 68 71 75 76 77 80 80 82 82 83
20 FT WIND DIR..NW NW NW NW N N N N N N N N
20 FT WIND SPD..6 5 5 5 3 3 3 3 3 3 6 6
20 FT WIND GUST.8 8 8 8 8 8 8 6 6 6
MIX HGT (KFT)...2.6 2.6 2.6 2.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.NW N N N N N N N N N N N
TRANSP WIND SPD.12 10 10 10 9 9 9 7 7 7 7 7
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 42.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 6 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING NORTH AROUND 5
MPH IN THE AFTERNOON.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 10 MPH.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........27 22 22 22 8 8 8 9 9 9 8 8
WEATHER COV.....
WEATHER TYPE....
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 0 0 0 0 0 0 0 0 0 0 0
TEMP............29 29 28 29 31 33 36 38 40 41 42 42
RH..............82 84 84 83 80 72 64 59 55 53 53 53
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..6 3 3 3 3 3 3 5 5 5 5 5
20 FT WIND GUST. 6 6 6 7 7 7 8 8 8 8 8
MIX HGT (KFT)...0.5 0.5 0.5 0.5 1.9 1.9 1.9 1.9 1.9 1.9 2.3 2.3
TRANSP WIND DIR.N N N N N N N NE NE NE NE NE
TRANSP WIND SPD.7 8 8 8 8 8 8 8 8 8 10 10
FORECASTER...LANDRY
REQUESTED BY...NATHAN GILMORE
TYPE OF REQUEST...PRESCRIBED
.TAG 2622215.9/ALU
.DELDT 09/30/26
.FORMATTERVERSION 2.0.0
.EMAIL NATHAN_GILMORE@NPS.GOV
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