249
FNUS75 KFGZ 191702
FWSFGZ
SPOT FORECAST FOR AMERICANA...CAMP NAVAJO FIRE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1002 AM MST WED AUG 19 2026
FORECAST IS BASED ON FORECAST START TIME OF 1000 MST ON AUGUST 19.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ
DISCUSSION
A SLIGHT UPTICK IN MONSOONAL ACTIVITY IS EXPECTED TODAY,
BRINGING A 30% CHANCE OF THUNDERSTORMS. THE MAIN WINDOW FOR ANY
STORMS WILL BE FROM 1400-1800 MST, WITH A SLIGHT CHANCE TO LINGER INTO
THE LATE EVENING. PRIMARY HAZARDS WOULD BE BRIEF HEAVY RAINFALL AND
GUSTY/ERRATIC OUTFLOW WINDS UP TO 25 MPH. INTO THURSDAY, THE
UPTICK IN MONSOONAL ACTIVITY WILL CONTINUE, AND THE CHANCE OF
THUNDERSTORMS CLIMBS TO 50%. OUTSIDE OF STORMS, WINDS WILL
BE WEST/SOUTHWEST WITH TYPICAL AFTERNOON BREEZES.
REST OF TODAY
SKY/WEATHER.........BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER 1400 MST.
CHANCE OF PCPN......30 PERCENT.
CHANCE LIGHTNING....30 PERCENT.
MAX TEMPERATURE.....83 TO 85.
MIN HUMIDITY........27 TO 30 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH WITH GUSTS TO 16 MPH
MPH. GUSTY AND ERRATIC WINDS NEAR THUNDERSTORMS.
MAX VENT RATE.......VERY GOOD.
CLEARING INDEX......755.
MIXING HEIGHT.......10500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 KNOTS.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
CHANCE OF PCPN......20 PERCENT.
CHANCE LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....53 TO 55.
MAX HUMIDITY........70 TO 80 PERCENT.
WIND (20 FT)........VARIABLE WINDS 1 TO 4 MPH. GUSTY AND ERRATIC WINDS
NEAR THUNDERSTORMS.
MIN VENT RATE.......POOR.
CLEARING INDEX......3.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....WEST AROUND 5 KNOTS SHIFTING TO THE NORTHWEST
AFTER 3 AM. AROUND
THURSDAY
SKY/WEATHER.........BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
CHANCE LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....82 TO 84.
MIN HUMIDITY........31 TO 34 PERCENT.
WIND (20 FT)........VARIABLE WINDS 2 TO 5 MPH UNTIL 1100 MST, BECOMING
WEST 4 TO 8 MPH. GUSTY AND ERRATIC WINDS NEAR
THUNDERSTORMS.
MAX VENT RATE.......GOOD.
CLEARING INDEX......492.
MIXING HEIGHT.......8600 FT AGL IN THE MORNING INCREASING TO 12300
FT AGL LATE IN THE MORNING, THEN DECREASING TO
1400 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AROUND 5 KNOTS SHIFTING TO THE
NORTHEAST LATE IN THE MORNING, THEN SHIFTING TO
THE SOUTH EARLY IN THE AFTERNOON SHIFTING TO
THE WEST LATE IN THE AFTERNOON.
A WEATHER FORECAST TABLE FOR YOUR SPOT LOCATION IS LINKED.
THE INFORMATION PROVIDED BY THIS SITE IS FOR PLANNING PURPOSES ONLY
AND IS NOT INTENDED TO SUBSTITUTE INFORMATION PROVIDED BY AN OFFICIAL
NATIONAL WEATHER SERVICE SPOT FORECAST.
HTTPS://WEATHER.GOV/DLH/FWD?LAT=35.2009&LON=-111.7856&CLAT=35.2009&CLON=-111.7856
FORECASTER...LEWANDOWSKI
REQUESTED BY...TIM IRWIN
TYPE OF REQUEST...WILDFIRE
.TAG 2620019.0/FGZ
.DELDT 08/19/26
.FORMATTERVERSION 2.0.0
.EMAIL TIMOTHY.IRWIN@AZDEMA.GOV
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