704
FNUS55 KVEF 210847
FWFVEF
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE LAS VEGAS NV
147 AM PDT MON SEP 21 2026
DISCUSSION
SCATTERED SHOWERS AND THUNDERSTORMS WILL SPREAD
ACROSS INYO COUNTY AND INTO THE SOUTHERN GREAT BASIN TODAY,
LINGERING ACROSS EASTERN NEVADA INTO TUESDAY. AFTERNOON RELATIVE
HUMIDITIES WILL BOTTOM OUT IN THE 15 TO 30% RANGE TODAY AND
TOMORROW. CONDITIONS WILL DRY BACK OUT DURING THE MIDDLE OF THE
WEEK. MODEST MOISTURE LOOKS TO RETURN TO OUR SOUTHERN AND EASTERN
ZONES AS WE HEAD INTO THE WEEKEND. BREEZY SOUTHERLY-TO-
SOUTHWESTERLY WINDS WILL PICK UP ACROSS THE AREA THIS AFTERNOON.
OTHERWISE, WINDS WILL REMAIN RELATIVELY LIGHT AND WILL FAVOR TYPICAL
TERRAIN DRIVEN DIRECTIONAL TRENDS.
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-NVZ466-212345-
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
147 AM PDT MON SEP 21 2026 /147 AM MST MON SEP 21 2026/
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....96-101.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....14-21 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11600 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....67-72.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....40-45 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 13 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....93-98.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....11-19 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 UP TO
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.......11000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS.
* VENTILATION.........VERY GOOD.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S TO MID 70S.
HIGHS 98 TO 103. NORTH WIND 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 70S. HIGHS
98 TO 103. LIGHT WIND.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 70S. HIGHS 98 TO
103. SOUTH WIND 5 TO 10 MPH.
AZZ102-212345-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
147 AM MST MON SEP 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......92-97.
* 6000 FEET.......75-80.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* 3000 FEET.......14-20 PERCENT.
* 6000 FEET.......20-26 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 9 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 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......10700 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* 3000 FEET.......62-67.
* 6000 FEET.......48-53.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* 3000 FEET.......40-45 PERCENT.
* 6000 FEET.......68-73 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 17 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHEAST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND
25 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
* UPPER SLOPES....SOUTH WINDS 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTH 20 TO 30 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......90-95.
* 6000 FEET.......73-78.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 3000 FEET.......12-18 PERCENT.
* 6000 FEET.......18-24 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....EAST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
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.......11200 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO LOWER 60S.
HIGHS IN THE MID 80S TO LOWER 90S. SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER TO MID 60S. HIGHS IN THE MID 80S TO LOWER 90S.
SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER TO MID 60S. HIGHS IN THE MID 80S TO LOWER 90S. SOUTH
WINDS 5 TO 10 MPH.
NVZ465-212345-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
147 AM PDT MON SEP 21 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...10 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......90-95.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......12-20 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 7 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.
* 10000 FT MSL....SOUTHEAST 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12900 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING.
* CHANCE OF THUNDER...10 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......59-64.
* 24 HR TREND.....ON AVERAGE DOWN 6 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......51-56 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 31 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. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH 10 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......88-93.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......14-22 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.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12700 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
WEDNESDAY
CLEAR. LOWS IN THE UPPER 50S TO LOWER 60S. HIGHS IN
THE MID TO UPPER 80S. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS IN
THE MID 80S TO LOWER 90S. LIGHT WIND.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
NVZ463-464-212345-
SHEEP RANGE-SPRING MOUNTAINS-
147 AM PDT MON SEP 21 2026
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
ISOLATED SHOWERS AND THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......72-77.
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.
* MIN HUMIDITY:
* 7000 FEET.......19-29 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 11 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....SOUTHEAST WINDS 10 MPH WITH GUSTS TO AROUND 25
MPH.
* 10000 FT MSL....SOUTHEAST 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12600 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHANCE OF THUNDER...10 PERCENT.
* MIN TEMPERATURE:
* 7000 FEET.......43-48.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MAX HUMIDITY:
* 7000 FEET.......69-74 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 37 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......69-74.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MIN HUMIDITY:
* 7000 FEET.......25-35 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH. GUSTS UP TO 20 MPH.
* 10000 FT MSL....SOUTHEAST 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12000 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........VERY GOOD.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S.
HIGHS IN THE UPPER 60S TO MID 70S. EAST WINDS 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS
IN THE LOWER TO MID 70S. SOUTHEAST WINDS 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS
IN THE LOWER TO MID 70S. SOUTH WINDS 10 MPH.
NVZ461-212345-
LINCOLN COUNTY/ELY DISPATCH-
147 AM PDT MON SEP 21 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......87-92.
* 7000 FEET.......72-77.
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......14-17 PERCENT.
* 7000 FEET.......18-24 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 8 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....EAST WIND 5 TO 10 MPH SHIFTING TO THE 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.
* MIXING HEIGHT.......11400 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH THE NIGHT.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......53-58.
* 7000 FEET.......45-50.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......63-68 PERCENT.
* 7000 FEET.......82-87 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 46 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. GUSTS UP TO 20
MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....5 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......85-90.
* 7000 FEET.......68-73.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......17-22 PERCENT.
* 7000 FEET.......26-35 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH. GUSTS UP TO 25 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11800 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S.
HIGHS IN THE UPPER 80S TO LOWER 90S. LIGHT WIND.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO LOWER 50S.
HIGHS IN THE UPPER 80S TO LOWER 90S. SOUTHEAST WIND 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE UPPER 80S TO LOWER 90S. SOUTH WIND 5 TO 10 MPH.
NVZ462-212345-
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
147 AM PDT MON SEP 21 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......87-92.
* 7000 FEET.......70-75.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......13-18 PERCENT.
* 7000 FEET.......18-23 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....EAST WIND AROUND 10 MPH SHIFTING TO THE SOUTHEAST
IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....EAST WIND AROUND 10 MPH SHIFTING TO THE SOUTHEAST
IN THE AFTERNOON. GUSTS UP TO 35 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......13000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN
SCATTERED SHOWERS AFTER MIDNIGHT.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......55-60.
* 7000 FEET.......45-50.
* 24 HR TREND.....ON AVERAGE DOWN 6 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......55-60 PERCENT.
* 7000 FEET.......77-82 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 50 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WIND 5 TO 10 MPH.
* UPPER SLOPES....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH BECOMING NORTH UP
TO 10 MPH AFTER MIDNIGHT.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......85-90.
* 7000 FEET.......69-74.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......17-22 PERCENT.
* 7000 FEET.......26-34 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WIND 5 TO 10 MPH WITH GUSTS TO AROUND
25 MPH IN THE MORNING BECOMING UPSLOPE/UPVALLEY 4 TO 8 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12900 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........FAIR.
EXTENDED
WEDNESDAY
CLEAR. LOWS IN THE UPPER 40S TO LOWER 50S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTHEAST WIND 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE UPPER 80S TO LOWER 90S. SOUTHEAST WIND 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTH WIND 5 TO 10 MPH.
NVZ460-212345-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
147 AM PDT MON SEP 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......81-85.
* 7000 FEET.......70-75.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......15-17 PERCENT.
* 7000 FEET.......15-21 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHEAST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHEAST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......12700 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING, THEN ISOLATED SHOWERS AFTER
MIDNIGHT.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......50-55.
* 7000 FEET.......44-49.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......64-69 PERCENT.
* 7000 FEET.......71-76 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 48 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH. GUSTS UP TO 20
MPH.
* UPPER SLOPES....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......82-85.
* 7000 FEET.......70-75.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* 4000 FEET.......18-21 PERCENT.
* 7000 FEET.......22-32 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH.
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH.
* 10000 FT MSL....EAST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......11800 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........FAIR.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S.
HIGHS IN THE MID TO UPPER 80S. LIGHT WIND.
THURSDAY
CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN THE MID
80S TO LOWER 90S. SOUTHEAST WIND 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE MID TO UPPER 80S. SOUTH WIND 5 TO 10 MPH.
CAZ226-212345-
OWENS VALLEY/SOUTHERN INYO FOREST-
147 AM PDT MON SEP 21 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....81-86.
* 7000 FEET.......68-73.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....15-21 PERCENT.
* 7000 FEET.......18-28 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 SOUTHEAST
AROUND 10 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
* UPPER SLOPES....NORTHEAST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHEAST IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....50-55.
* 7000 FEET.......26-31.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....48-53 PERCENT.
* 7000 FEET.......63-68 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 27 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....EAST 5 TO 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....83-88.
* 7000 FEET.......69-74.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....16-20 PERCENT.
* 7000 FEET.......24-34 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH. GUSTS UP TO 25 MPH.
* UPPER SLOPES....NORTH WINDS 5 TO 10 MPH SHIFTING TO THE EAST IN
THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....LIGHT AND VARIABLE.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE MID TO UPPER 80S. EAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE MID 80S TO LOWER 90S. SOUTH WINDS 5 TO 10 MPH.
CAZ227-212345-
DEATH VALLEY NATIONAL PARK-
147 AM PDT MON SEP 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....100-105.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....8-13 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.
* 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....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....75-80.
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....31-36 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 19 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....NORTHWEST WIND 5 TO 10 MPH.
* 10000 FT MSL....EAST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....99-104.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....10-15 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.
* 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
WEDNESDAY
CLEAR. LOWS IN THE MID 70S TO LOWER 80S. HIGHS
104 TO 109. EAST WIND 5 TO 10 MPH.
THURSDAY
CLEAR. LOWS IN THE UPPER 70S TO LOWER 80S. HIGHS
106 TO 111. SOUTHEAST WIND 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 70S TO LOWER 80S. HIGHS
105 TO 110. SOUTH WIND 5 TO 10 MPH.
CAZ228-212345-
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
147 AM PDT MON SEP 21 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....92-97.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....14-22 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 9 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTH WIND 5 TO 10 MPH WITH GUSTS TO AROUND 30
MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....57-62.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....50-55 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 15 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTHWEST WIND 5 TO 10 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
TUESDAY
* SKY/WEATHER.........SUNNY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....90-95.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....14-22 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....SOUTHEAST AROUND 10 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
WEDNESDAY
CLEAR. LOWS IN THE MID TO UPPER 60S. HIGHS IN THE
LOWER TO MID 90S. EAST WIND 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S TO LOWER 70S.
HIGHS IN THE 90S. SOUTHEAST WIND 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S TO LOWER 70S. HIGHS
IN THE 90S. SOUTH 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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