196
FNUS55 KVEF 210808
FWFVEF
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE LAS VEGAS NV
108 AM PDT THU MAY 21 2026
DISCUSSION
DRY CONDITIONS WITH SINGLE-DIGIT AFTERNOON RELATIVE
HUMIDITIES WILL CONTINUE THROUGH THE WEEKEND WITH PERIODS OF
AFTERNOON BREEZES. EXPECT OVERNIGHT RECOVERIES BETWEEN 15 AND 25
PERCENT FOR DESERT VALLEYS AND GENERALLY ABOVE 30 PERCENT FOR
HIGHER ELEVATIONS. GUSTY SOUTHWEST WINDS RETURN TO THE REGION ON
TUESDAY.
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-NVZ466-212315-
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
108 AM PDT THU MAY 21 2026 /108 AM MST THU MAY 21 2026/
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....94-99.
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....3-8 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH UP TO
10 MPH IN THE AFTERNOON.
* 10000 FT MSL....SOUTH 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12500 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........VERY GOOD.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....63-68.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....14-19 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTH WIND 5 TO 10 MPH.
* 10000 FT MSL....WEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....97-102.
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....5-10 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 INCREASING TO 10 TO 15
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.......13200 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 60S TO LOWER 70S. HIGHS
96 TO 101. SOUTH WIND 10 TO 15 MPH.
SUNDAY
CLEAR. LOWS IN THE MID 60S TO LOWER 70S. HIGHS 100 TO
105. SOUTH WIND AROUND 10 MPH.
MEMORIAL DAY
CLEAR. LOWS IN THE MID 60S TO LOWER 70S. HIGHS
100 TO 105. SOUTH WIND 10 TO 15 MPH.
AZZ102-212315-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
108 AM MST THU MAY 21 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......89-94.
* 6000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.
* MIN HUMIDITY:
* 3000 FEET.......5-7 PERCENT.
* 6000 FEET.......7-10 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* 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 30 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING WEST AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....WEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12400 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........VERY GOOD.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 3000 FEET.......56-61.
* 6000 FEET.......39-44.
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.
* MAX HUMIDITY:
* 3000 FEET.......15-20 PERCENT.
* 6000 FEET.......19-24 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
* UPPER SLOPES....WEST WINDS AROUND 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....WEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......90-95.
* 6000 FEET.......74-79.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MIN HUMIDITY:
* 3000 FEET.......6-9 PERCENT.
* 6000 FEET.......8-11 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30
MPH.
* UPPER SLOPES....SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE WEST IN
THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12400 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE MID 80S
TO LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
CLEAR. LOWS IN THE MID 50S TO LOWER 60S. HIGHS IN THE
MID 80S TO LOWER 90S. SOUTHWEST WINDS AROUND 10 MPH.
MEMORIAL DAY
MOSTLY CLEAR. LOWS IN THE MID 50S TO LOWER 60S.
HIGHS IN THE MID 80S TO LOWER 90S. SOUTH WINDS 10 TO 15 MPH.
NVZ465-212315-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
108 AM PDT THU MAY 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......91-96.
* 24 HR TREND.....ON AVERAGE UP 7 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......5-8 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH UP TO
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....NORTHWEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13900 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........VERY GOOD.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......57-62.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......16-21 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WINDS 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....WEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......92-97.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......6-9 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH UP TO
10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......15700 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 50S TO LOWER 60S. HIGHS
IN THE MID 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
CLEAR. LOWS IN THE MID 50S TO LOWER 60S. HIGHS IN THE
MID 80S TO LOWER 90S. SOUTH WINDS AROUND 10 MPH.
MEMORIAL DAY
CLEAR. LOWS IN THE MID 50S TO LOWER 60S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
NVZ463-464-212315-
SHEEP RANGE-SPRING MOUNTAINS-
108 AM PDT THU MAY 21 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.
* MIN HUMIDITY:
* 7000 FEET.......8-13 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING WEST AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....NORTHWEST 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......15300 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 7000 FEET.......41-46.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* 7000 FEET.......19-24 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....WEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......74-79.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 7000 FEET.......9-15 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 25 MPH.
* 10000 FT MSL....SOUTHWEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......14300 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE 70S.
SOUTH WINDS 10 MPH.
SUNDAY
CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN THE 70S.
SOUTH WINDS 10 TO 15 MPH.
MEMORIAL DAY
CLEAR. LOWS IN THE 40S. HIGHS IN THE 70S. SOUTH
WINDS 10 TO 15 MPH.
NVZ461-212315-
LINCOLN COUNTY/ELY DISPATCH-
108 AM PDT THU MAY 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......87-92.
* 7000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE UP 7 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......7-9 PERCENT.
* 7000 FEET.......10-15 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING WEST UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING WEST AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....WEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......14800 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......52-57.
* 7000 FEET.......43-48.
* 24 HR TREND.....ON AVERAGE UP 7 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......21-26 PERCENT.
* 7000 FEET.......28-33 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....WEST WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....NORTHEAST WIND AROUND 10 MPH.
* 10000 FT MSL....WEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......87-92.
* 7000 FEET.......70-75.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......8-11 PERCENT.
* 7000 FEET.......14-22 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH UP TO
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* UPPER SLOPES....NORTHEAST WIND 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHWEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13700 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.
HIGHS IN THE LOWER TO MID 90S. SOUTH WIND 10 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO LOWER 50S. HIGHS
IN THE UPPER 80S TO MID 90S. SOUTH WIND 10 TO 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO LOWER 50S.
HIGHS IN THE UPPER 80S TO LOWER 90S. SOUTH WIND 10 TO 15 MPH.
NVZ462-212315-
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
108 AM PDT THU MAY 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......90-95.
* 7000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE UP 7 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......5-8 PERCENT.
* 7000 FEET.......10-13 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* 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 30 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING NORTHWEST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....NORTHWEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13200 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........VERY GOOD.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......53-58.
* 7000 FEET.......49-54.
* 24 HR TREND.....ON AVERAGE UP 7 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......19-24 PERCENT.
* 7000 FEET.......25-30 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....WEST WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....NORTH WIND 5 TO 10 MPH.
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......91-96.
* 7000 FEET.......72-77.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......6-9 PERCENT.
* 7000 FEET.......12-17 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 WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
* UPPER SLOPES....NORTHEAST WIND 5 TO 10 MPH SHIFTING TO THE SOUTH
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHWEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......14600 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S. HIGHS
IN THE MID 80S TO LOWER 90S. SOUTH WIND 10 TO 15 MPH.
SUNDAY
CLEAR. LOWS IN THE MID 40S TO LOWER 50S. HIGHS IN THE
UPPER 80S TO LOWER 90S. SOUTH WIND 10 TO 15 MPH.
MEMORIAL DAY
CLEAR. LOWS IN THE MID 40S TO LOWER 50S. HIGHS IN
THE UPPER 80S TO LOWER 90S. SOUTH WIND 10 TO 15 MPH.
NVZ460-212315-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
108 AM PDT THU MAY 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......85-89.
* 7000 FEET.......72-77.
* 24 HR TREND.....ON AVERAGE UP 7 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......8-9 PERCENT.
* 7000 FEET.......11-16 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 NORTHWEST UP
TO 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING NORTHWEST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13500 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......50-55.
* 7000 FEET.......49-54.
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......25-30 PERCENT.
* 7000 FEET.......31-36 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHWEST WIND 5 TO 10 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....NORTH WIND 5 TO 10 MPH.
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......85-89.
* 7000 FEET.......72-77.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......8-11 PERCENT.
* 7000 FEET.......14-24 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
* 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....WEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13200 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS.
* VENTILATION.........VERY GOOD.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTH WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTH WIND 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S.
HIGHS IN THE 80S. SOUTH WIND 5 TO 10 MPH.
CAZ226-212315-
OWENS VALLEY/SOUTHERN INYO FOREST-
108 AM PDT THU MAY 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....87-92.
* 7000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....7-9 PERCENT.
* 7000 FEET.......12-22 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST UP
TO 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING WEST AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....55-60.
* 7000 FEET.......29-34.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....33-38 PERCENT.
* 7000 FEET.......42-47 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....WEST WINDS 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....88-93.
* 7000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....9-14 PERCENT.
* 7000 FEET.......19-29 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 AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 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 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE UPPER 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE UPPER 80S
TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE UPPER
80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
CAZ227-212315-
DEATH VALLEY NATIONAL PARK-
108 AM PDT THU MAY 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....102-107.
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....4-6 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH UP TO
10 MPH IN THE AFTERNOON.
* 10000 FT MSL....NORTH 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....72-77.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....12-17 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTHEAST WIND 5 TO 10 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....104-109.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....5-7 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.
* 10000 FT MSL....SOUTH 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 70S. HIGHS
107 TO 112. SOUTH WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE 70S. HIGHS 106 TO 111. SOUTH
WIND 5 TO 10 MPH.
MEMORIAL DAY
CLEAR. LOWS IN THE 70S. HIGHS 104 TO 109. SOUTH
WIND 5 TO 10 MPH.
CAZ228-212315-
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
108 AM PDT THU MAY 21 2026
TODAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....93-98.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....5-7 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST UP
TO 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....NORTH 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....58-63.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....23-28 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 7 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTHWEST WIND 5 TO 10 MPH.
* 10000 FT MSL....SOUTHWEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....95-100.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....6-9 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 WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.
* 10000 FT MSL....SOUTH AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
SATURDAY
CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS IN THE
90S. SOUTH WIND AROUND 10 MPH.
SUNDAY
CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS IN THE 90S.
SOUTH WIND AROUND 10 MPH.
MEMORIAL DAY
CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS IN THE
LOWER TO MID 90S. SOUTHWEST WIND AROUND 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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