992
FNUS55 KVEF 181956
FWFVEF
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE LAS VEGAS NV
1256 PM PDT MON MAY 18 2026
DISCUSSION
WINDS WILL CONTINUE TO DECREASE THE REST OF THE DAY,
WITH THE STRONGEST GUSTS TO AROUND 30 MPH LINGERING IN THE
COLORADO RIVER VALLEY. BREEZY NORTH WINDS WILL CONTINUE IN THE
COLORADO RIVER VALLEY EACH AFTERNOON THROUGH WEDNESDAY.
TEMPERATURES START OFF 10 TO 15 DEGREES BELOW NORMAL TODAY,
REACHING NEAR NORMAL TEMPERATURES BY WEDNESDAY, THEN 10 TO 15
DEGREES ABOVE NORMAL BY FRIDAY. MINIMUM HUMIDITY VALUES FALL TO
THE TEENS AND SINGLE DIGITS EACH AFTERNOON.
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-NVZ466-191115-
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
1256 PM PDT MON MAY 18 2026 /1256 PM MST MON MAY 18 2026/
TONIGHT
* SKY/WEATHER.........CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....53-58.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....21-26 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND AROUND 10 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
* 10000 FT MSL....NORTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....87-92.
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....3-9 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 40
MPH.
* 10000 FT MSL....NORTH 10 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......10900 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....55-60.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....17-22 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND 5 TO 10 MPH.
* 10000 FT MSL....NORTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....92-97.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....3-8 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND AROUND 10 MPH WITH GUSTS TO AROUND 35
MPH.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13000 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO MID 60S. HIGHS
99 TO 104. SOUTH WIND 5 TO 10 MPH.
FRIDAY
CLEAR. LOWS IN THE 60S. HIGHS 99 TO 104. SOUTH WIND UP
TO 10 MPH.
SATURDAY
CLEAR. LOWS IN THE MID TO UPPER 60S. HIGHS 98 TO 103.
SOUTH WIND 10 TO 15 MPH.
AZZ102-191115-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
1256 PM MST MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 3000 FEET.......45-50.
* 6000 FEET.......27-32.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MAX HUMIDITY:
* 3000 FEET.......25-30 PERCENT.
* 6000 FEET.......47-52 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 14 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WINDS 10 TO 15 MPH.
* UPPER SLOPES....NORTH WINDS 10 TO 15 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......82-87.
* 6000 FEET.......63-68.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* 3000 FEET.......5-9 PERCENT.
* 6000 FEET.......11-14 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30
MPH.
* UPPER SLOPES....NORTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH.
* 10000 FT MSL....NORTHWEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......9700 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS.
* VENTILATION.........VERY GOOD.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 3000 FEET.......47-52.
* 6000 FEET.......31-36.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* 3000 FEET.......20-25 PERCENT.
* 6000 FEET.......41-46 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WINDS 5 TO 10 MPH.
* UPPER SLOPES....NORTH WINDS AROUND 10 MPH SHIFTING TO THE
NORTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......87-92.
* 6000 FEET.......69-74.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* 3000 FEET.......5-8 PERCENT.
* 6000 FEET.......9-11 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WINDS AROUND 10 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHWEST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....NORTH 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11800 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO LOWER 50S.
HIGHS IN THE 80S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE MID TO
UPPER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE MID 80S
TO LOWER 90S. SOUTHWEST WINDS 10 TO 15 MPH.
NVZ465-191115-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
1256 PM PDT MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......45-50.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* 4000 FEET.......21-26 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 11 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WINDS AROUND 10 MPH.
* 10000 FT MSL....NORTH 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......79-84.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......5-9 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WINDS 10 TO 15 MPH. GUSTS UP TO 40 MPH
DECREASING TO 30 MPH IN THE AFTERNOON.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12500 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......48-53.
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......18-23 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WINDS 5 TO 10 MPH.
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......85-90.
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......5-8 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND
30 MPH.
* 10000 FT MSL....NORTHWEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11900 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS
IN THE 80S. LIGHT WIND.
FRIDAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE MID TO
UPPER 80S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE MID 80S
TO LOWER 90S. SOUTH WINDS 10 TO 15 MPH.
NVZ463-464-191115-
SHEEP RANGE-SPRING MOUNTAINS-
1256 PM PDT MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 7000 FEET.......28-33.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MAX HUMIDITY:
* 7000 FEET.......29-34 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 25 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....NORTHEAST WINDS 10 MPH.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......61-66.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* 7000 FEET.......8-14 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....NORTH WINDS 10 MPH WITH GUSTS TO AROUND 25 MPH.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11500 FT AGL.
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 7000 FEET.......32-37.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* 7000 FEET.......22-27 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....NORTHWEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......68-73.
* 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....NORTH WINDS 10 MPH WITH GUSTS TO AROUND 20 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11700 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S TO LOWER 40S.
HIGHS IN THE UPPER 60S TO MID 70S. SOUTHWEST WINDS 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN
THE LOWER TO MID 70S. SOUTH WINDS 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN
THE MID TO UPPER 70S. SOUTH WINDS 10 MPH.
NVZ461-191115-
LINCOLN COUNTY/ELY DISPATCH-
1256 PM PDT MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......40-45.
* 7000 FEET.......27-32.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* 4000 FEET.......29-34 PERCENT.
* 7000 FEET.......41-46 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 30 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WIND 5 TO 10 MPH WITH GUSTS TO AROUND 25
MPH.
* UPPER SLOPES....NORTH WIND 5 TO 10 MPH.
* 10000 FT MSL....NORTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......76-81.
* 7000 FEET.......58-63.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......8-11 PERCENT.
* 7000 FEET.......10-18 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WIND 5 TO 10 MPH. GUSTS UP TO 35 MPH
IN THE MORNING.
* UPPER SLOPES....NORTHEAST WIND 5 TO 10 MPH. GUSTS UP TO 35 MPH
IN THE MORNING.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11600 FT AGL.
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......43-48.
* 7000 FEET.......31-36.
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......25-30 PERCENT.
* 7000 FEET.......34-39 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WIND 5 TO 10 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH. GUSTS UP TO 25 MPH.
* UPPER SLOPES....NORTHEAST WIND 5 TO 10 MPH.
* 10000 FT MSL....NORTHWEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......81-86.
* 7000 FEET.......65-70.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......7-9 PERCENT.
* 7000 FEET.......9-14 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WIND 5 TO 10 MPH. GUSTS UP TO 25 MPH IN
THE MORNING.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING NORTH UP TO
10 MPH IN THE AFTERNOON.
* 10000 FT MSL....WEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11200 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN
THE UPPER 80S TO LOWER 90S. WEST WIND 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE UPPER 80S
TO LOWER 90S. SOUTHWEST WIND 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.
HIGHS IN THE UPPER 80S TO LOWER 90S. SOUTH WIND 10 TO 15 MPH.
NVZ462-191115-
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
1256 PM PDT MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......41-46.
* 7000 FEET.......32-37.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......23-28 PERCENT.
* 7000 FEET.......32-37 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 11 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WIND 10 TO 15 MPH.
* UPPER SLOPES....NORTHEAST WIND 10 TO 15 MPH.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......78-83.
* 7000 FEET.......59-64.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......6-8 PERCENT.
* 7000 FEET.......9-12 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WIND 5 TO 10 MPH. GUSTS UP TO 30 MPH IN
THE MORNING.
* UPPER SLOPES....NORTH WIND 5 TO 10 MPH WITH GUSTS TO AROUND 25
MPH.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12000 FT AGL.
* TRANSPORT WINDS.....NORTHEAST AROUND 10 KNOTS.
* VENTILATION.........VERY GOOD.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......43-48.
* 7000 FEET.......36-41.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......17-22 PERCENT.
* 7000 FEET.......23-28 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WIND 5 TO 10 MPH.
* UPPER SLOPES....NORTH WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....NORTHWEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......84-89.
* 7000 FEET.......66-71.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......5-7 PERCENT.
* 7000 FEET.......8-11 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WIND 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* UPPER SLOPES....NORTHEAST WIND 5 TO 10 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....WEST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12000 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........VERY GOOD.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN
THE MID TO UPPER 80S. WEST WIND 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 40S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTHWEST WIND 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S. HIGHS
IN THE UPPER 80S TO LOWER 90S. SOUTH WIND 10 TO 15 MPH.
NVZ460-191115-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
1256 PM PDT MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......35-40.
* 7000 FEET.......30-35.
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......27-32 PERCENT.
* 7000 FEET.......29-34 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 20 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WIND 5 TO 10 MPH.
* UPPER SLOPES....NORTH WIND 10 TO 15 MPH DECREASING TO AROUND 10
MPH AFTER MIDNIGHT.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......73-77.
* 7000 FEET.......60-65.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......7-9 PERCENT.
* 7000 FEET.......9-13 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING NORTH UP TO
10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING NORTH 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.
* MIXING HEIGHT.......10600 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........FAIR.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......38-43.
* 7000 FEET.......36-41.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......19-24 PERCENT.
* 7000 FEET.......21-26 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....NORTH WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....NORTHWEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......79-83.
* 7000 FEET.......65-70.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......6-7 PERCENT.
* 7000 FEET.......9-12 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING NORTH 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.......10800 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE 80S.
LIGHT WIND.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S. HIGHS
IN THE MID TO UPPER 80S. SOUTHWEST WIND 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO LOWER 50S.
HIGHS IN THE MID 80S TO LOWER 90S. SOUTH WIND 5 TO 10 MPH.
CAZ226-191115-
OWENS VALLEY/SOUTHERN INYO FOREST-
1256 PM PDT MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....41-46.
* 7000 FEET.......17-22.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....22-27 PERCENT.
* 7000 FEET.......29-34 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 16 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTH WINDS 5 TO 10 MPH.
* UPPER SLOPES....NORTH WINDS 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH. GUSTS UP TO 25 MPH.
* 10000 FT MSL....NORTHEAST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....76-81.
* 7000 FEET.......61-66.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....7-10 PERCENT.
* 7000 FEET.......12-22 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH IN THE AFTERNOON.
* UPPER SLOPES....NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND
25 MPH SHIFTING TO THE EAST WITH GUSTS TO AROUND 25 MPH IN
THE AFTERNOON.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....46-51.
* 7000 FEET.......21-26.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....25-30 PERCENT.
* 7000 FEET.......32-37 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....81-86.
* 7000 FEET.......68-73.
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....6-9 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 SOUTHEAST UP
TO 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 30 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S. HIGHS
IN THE MID 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS
IN THE MID 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE UPPER 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
CAZ227-191115-
DEATH VALLEY NATIONAL PARK-
1256 PM PDT MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....62-67.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* VALLEY FLOOR....12-17 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND 5 TO 10 MPH.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....91-96.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....3-6 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND 5 TO 10 MPH.
* 10000 FT MSL....NORTH AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....64-69.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....10-15 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....96-101.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....3-5 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 60S TO LOWER 70S. HIGHS
103 TO 108. SOUTH WIND 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S TO MID 70S. HIGHS
105 TO 110. SOUTH WIND 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 70S. HIGHS
105 TO 110. SOUTH WIND 5 TO 10 MPH.
CAZ228-191115-
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
1256 PM PDT MON MAY 18 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....48-53.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* VALLEY FLOOR....18-23 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 11 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND 5 TO 10 MPH.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....84-89.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....4-7 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND AROUND 10 MPH. GUSTS UP TO 40 MPH
DECREASING TO 30 MPH IN THE AFTERNOON.
* 10000 FT MSL....NORTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....51-56.
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....14-19 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH. GUSTS UP TO 20 MPH.
* 10000 FT MSL....NORTH AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....89-94.
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....4-6 PERCENT.
* 24 HR TREND.....LITTLE CHANGE.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTH WIND 5 TO 10 MPH WITH GUSTS TO AROUND 30
MPH.
* 10000 FT MSL....NORTH 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S TO LOWER 60S. HIGHS
IN THE LOWER TO MID 90S. LIGHT WIND.
FRIDAY
CLEAR. LOWS IN THE UPPER 50S TO LOWER 60S. HIGHS IN THE
90S. SOUTH WIND 5 TO 10 MPH.
SATURDAY
CLEAR. LOWS IN THE UPPER 50S TO MID 60S. HIGHS IN THE
90S. SOUTH 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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