622
FNUS55 KVEF 211231
FWFVEF
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE LAS VEGAS NV
531 AM PDT FRI AUG 21 2026
DISCUSSION
MONSOONAL MOISTURE RETURNS TO THE REGION TODAY WHICH
WILL LEAD TO ISOLATED THUNDERSTORM CHANCES, MAINLY IN THE TERRAIN
OF WESTERN ARIZONA AND SOUTHERN NEVADA. AFTERNOON MIN RH WILL
STILL DROP TO 20%-30% EACH AFTERNOON TODAY, SO MOISTURE WILL ONLY
BE MARGINALLY IMPACTFUL. BY THIS WEEKEND, AFTERNOON RH VALUES
WILL DECREASE BACK DOWN TO 15%-25%. UNCERTAINTY IN THUNDERSTORM
CHANCES AND COVERAGE THIS WEEKEND AS DRY AIR MOVES BACK INTO THE
REGION THIS WEEKEND. DIURNAL WIND PATTERN EXPECTED EACH DAY WITH
AFTERNOON WIND GUSTS IN THE 15-25 MPH RANGE.
NOTE: THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS.
NOTE: PLEASE SEE OPERATING PLAN FOR DETAILED ZONE DESCRIPTIONS AT:
HTTP://WWW.WRH.NOAA.GOV/VEF/FIRE.PHP
AZZ101-CAZ229-NVZ466-212330-
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
531 AM PDT FRI AUG 21 2026 /531 AM MST FRI AUG 21 2026/
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....110-115.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....12-17 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH 10 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13500 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....81-86.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* VALLEY FLOOR....28-33 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 9 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTH WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....111-116.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....10-15 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......14600 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S. HIGHS
111 TO 116. SOUTH WIND 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S. HIGHS
109 TO 114. SOUTH WIND AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE 80S. HIGHS 111 TO 116.
SOUTHWEST WIND 5 TO 10 MPH.
AZZ102-212330-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
531 AM MST FRI AUG 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......104-109.
* 6000 FEET.......87-92.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MIN HUMIDITY:
* 3000 FEET.......13-18 PERCENT.
* 6000 FEET.......21-27 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST UP
TO 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12600 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 3000 FEET.......74-79.
* 6000 FEET.......57-62.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MAX HUMIDITY:
* 3000 FEET.......32-37 PERCENT.
* 6000 FEET.......48-53 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* UPPER SLOPES....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......105-110.
* 6000 FEET.......88-93.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 3000 FEET.......12-15 PERCENT.
* 6000 FEET.......16-19 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25
MPH.
* 10000 FT MSL....SOUTHWEST 10 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13800 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 70S. HIGHS
97 TO 102. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER TO MID 70S. HIGHS 96 TO 101. SOUTHWEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S TO MID 70S. HIGHS
97 TO 102. SOUTHWEST WINDS 5 TO 10 MPH.
NVZ465-212330-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
531 AM PDT FRI AUG 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......104-109.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......13-19 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTH 10 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13100 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......75-80.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* 4000 FEET.......30-35 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......105-110.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......11-16 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTH 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13900 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 70S. HIGHS 97 TO
102. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 70S. HIGHS 96 TO
101. SOUTH WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S TO MID 70S. HIGHS
97 TO 102. SOUTH WINDS 5 TO 10 MPH.
NVZ463-464-212330-
SHEEP RANGE-SPRING MOUNTAINS-
531 AM PDT FRI AUG 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......87-92.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MIN HUMIDITY:
* 7000 FEET.......18-27 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13300 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 7000 FEET.......55-60.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* 7000 FEET.......39-44 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....SOUTHWEST WINDS 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH. GUSTS UP TO 20 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......86-91.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 7000 FEET.......15-24 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTH 10 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13600 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 50S. HIGHS IN
THE 80S. SOUTH WINDS 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 50S. HIGHS IN
THE 80S. SOUTHWEST WINDS 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 50S. HIGHS IN
THE 80S. SOUTH WINDS 10 MPH.
NVZ461-212330-
LINCOLN COUNTY/ELY DISPATCH-
531 AM PDT FRI AUG 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...10 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......100-105.
* 7000 FEET.......86-91.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......15-19 PERCENT.
* 7000 FEET.......21-27 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 7 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH 15 TO 20 MPH.
* CWR (>= 0.10 IN)....5 PERCENT.
* MIXING HEIGHT.......11900 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......69-74.
* 7000 FEET.......60-65.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......36-41 PERCENT.
* 7000 FEET.......44-49 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTH 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......101-106.
* 7000 FEET.......86-91.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......13-17 PERCENT.
* 7000 FEET.......16-21 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH 10 TO
15 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12300 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS
100 TO 105. SOUTH WIND 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 60S. HIGHS
98 TO 103. SOUTH WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO MID 60S. HIGHS
99 TO 104. SOUTH WIND 5 TO 10 MPH.
NVZ462-212330-
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
531 AM PDT FRI AUG 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......102-107.
* 7000 FEET.......86-91.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......12-15 PERCENT.
* 7000 FEET.......17-22 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHEAST WIND 5 TO 10 MPH SHIFTING TO THE SOUTH
IN THE AFTERNOON. GUSTS UP TO 35 MPH.
* UPPER SLOPES....SOUTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 30
MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12900 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......71-76.
* 7000 FEET.......63-68.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* 4000 FEET.......28-33 PERCENT.
* 7000 FEET.......36-41 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WIND AROUND 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH.
* 10000 FT MSL....SOUTH 10 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......102-107.
* 7000 FEET.......85-90.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......10-13 PERCENT.
* 7000 FEET.......14-18 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WIND 5 TO 10 MPH INCREASING TO 10 TO 15
MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH INCREASING TO 10 TO 15
MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.
* 10000 FT MSL....SOUTH 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12400 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS 98 TO
103. SOUTH WIND 10 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS 97 TO
102. SOUTH WIND 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO MID 60S. HIGHS
97 TO 102. SOUTH WIND AROUND 10 MPH.
NVZ460-212330-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
531 AM PDT FRI AUG 21 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......97-101.
* 7000 FEET.......85-90.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......13-15 PERCENT.
* 7000 FEET.......15-21 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH 10 TO
15 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....SOUTHEAST WIND 5 TO 10 MPH SHIFTING TO THE SOUTH
IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12500 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......63-68.
* 7000 FEET.......59-64.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* 4000 FEET.......33-38 PERCENT.
* 7000 FEET.......36-41 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WIND 5 TO 10 MPH WITH GUSTS TO AROUND 20
MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......97-101.
* 7000 FEET.......85-90.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......12-14 PERCENT.
* 7000 FEET.......14-21 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH 10 TO
15 MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH 10 TO
15 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTH 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12200 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO MID 60S. HIGHS
95 TO 100. SOUTH WIND 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S TO MID 60S. HIGHS
IN THE MID TO UPPER 90S. SOUTH WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO LOWER 60S.
HIGHS IN THE MID TO UPPER 90S. SOUTH WIND 5 TO 10 MPH.
CAZ226-212330-
OWENS VALLEY/SOUTHERN INYO FOREST-
531 AM PDT FRI AUG 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....99-104.
* 7000 FEET.......84-89.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....12-15 PERCENT.
* 7000 FEET.......17-27 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
* UPPER SLOPES....SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....64-69.
* 7000 FEET.......39-44.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....35-40 PERCENT.
* 7000 FEET.......45-50 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 7 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....WEST WINDS 5 TO 10 MPH.
* 10000 FT MSL....SOUTHWEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....100-105.
* 7000 FEET.......84-89.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....11-15 PERCENT.
* 7000 FEET.......18-28 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
* UPPER SLOPES....SOUTHWEST WINDS 5 TO 10 MPH INCREASING TO 10 TO
15 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS 97 TO
102. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO MID 60S. HIGHS
97 TO 102. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO MID 60S. HIGHS
97 TO 102. SOUTHWEST WINDS AROUND 10 MPH.
CAZ227-212330-
DEATH VALLEY NATIONAL PARK-
531 AM PDT FRI AUG 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....116-121.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....8-11 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....88-93.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* VALLEY FLOOR....18-23 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTH WIND 5 TO 10 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....115-120.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....7-10 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 80S TO LOWER 90S. HIGHS
117 TO 122. SOUTH WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 80S TO LOWER 90S. HIGHS
116 TO 121. SOUTH WIND AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S. HIGHS
115 TO 120. SOUTH WIND 5 TO 10 MPH.
CAZ228-212330-
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
531 AM PDT FRI AUG 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....107-112.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....12-18 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST
AROUND 10 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....73-78.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* VALLEY FLOOR....29-34 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....WEST WIND 5 TO 10 MPH WITH GUSTS TO AROUND 25
MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
SATURDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....107-112.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....11-16 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST
AROUND 10 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 70S. HIGHS
104 TO 108. SOUTHWEST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 70S. HIGHS
103 TO 107. SOUTHWEST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 70S. HIGHS
104 TO 108. WEST WIND 5 TO 10 MPH.
NOTE: MIXING HEIGHT...TRANSPORT WINDS AND VENTILATION CATEGORY FOR
EACH FIRE ZONE ARE BASED ON THE FOLLOWING POINTS/AREAS:
IN THE COLORADO RIVER VALLEY:
NVZ466-CAZ229-AZZ001 - LAUGHLIN/BULLHEAD CITY/NEEDLES
IN ARIZONA:
AZZ102 - KINGMAN VICINITY
IN NEVADA:
NVZ460 - ORIENTAL WASH RAWS VICINITY
NVZ461 - KANE SPRINGS RAWS VICINITY
NVZ462 - DESERT ROCK VICINITY
NVZ463-NVZ464 - KYLE CANYON VICINITY
NVZ465 - LAS VEGAS VICINITY
HTTP://WEATHER.GOV/LASVEGAS
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