838
FNUS55 KVEF 180802
FWFVEF
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE LAS VEGAS NV
102 AM PDT THU SEP 18 2025
DISCUSSION
TROPICAL MOISTURE WILL BRING CHANCES FOR SHOWERS AND
THUNDERSTORMS TODAY AND FRIDAY, WITH SLIGHT CHANCES LINGERING
THROUGH THE WEEKEND.
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-NVZ466-182345-
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
102 AM PDT THU SEP 18 2025 /102 AM MST THU SEP 18 2025/
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...40 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....91-96.
* 24 HR TREND.....ON AVERAGE DOWN 11 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....22-32 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 17 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTHWEST WIND 5 TO 10 MPH.
* 10000 FT MSL....SOUTHEAST 15 TO 25 MPH.
* CWR (>= 0.10 IN)....30 PERCENT INCREASING TO 50 PERCENT IN THE
AFTERNOON.
* MIXING HEIGHT.......2400 FT AGL.
* TRANSPORT WINDS.....WEST AROUND 10 KNOTS.
* VENTILATION.........FAIR.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
EVENING. SCATTERED SHOWERS THROUGH THE NIGHT. ISOLATED
THUNDERSTORMS AFTER MIDNIGHT.
* CHANCE OF THUNDER...50 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....68-73.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....68-73 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 32 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)....25 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....93-98.
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....31-41 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 9 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....SOUTHWEST 20 TO 30 MPH.
* CWR (>= 0.10 IN)....5 PERCENT.
* MIXING HEIGHT.......8600 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE 70S. HIGHS 96 TO 101. SOUTH WIND 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS IN THE LOWER TO
MID 70S. HIGHS 96 TO 101. SOUTHWEST WIND 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 70S. HIGHS
99 TO 104. NORTH WIND 5 TO 10 MPH.
AZZ102-182345-
NORTHWEST DESERTS/NORTHWEST PLATEAU-
102 AM MST THU SEP 18 2025
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...30 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......89-94.
* 6000 FEET.......77-82.
* 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES.
* MIN HUMIDITY:
* 3000 FEET.......23-33 PERCENT.
* 6000 FEET.......15-25 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 14 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25
MPH.
* UPPER SLOPES....SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....15 PERCENT INCREASING TO 25 PERCENT IN THE
AFTERNOON.
* MIXING HEIGHT.......4200 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS.
* VENTILATION.........GOOD.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
EVENING. SCATTERED SHOWERS THROUGH THE NIGHT. ISOLATED
THUNDERSTORMS AFTER MIDNIGHT.
* CHANCE OF THUNDER...50 PERCENT.
* MIN TEMPERATURE:
* 3000 FEET.......62-67.
* 6000 FEET.......47-52.
* 24 HR TREND.....LITTLE CHANGE.
* MAX HUMIDITY:
* 3000 FEET.......70-75 PERCENT.
* 6000 FEET.......83-88 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 42 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* UPPER SLOPES....WEST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
* CHANCE OF THUNDER...50 PERCENT.
* MAX TEMPERATURE:
* 3000 FEET.......88-93.
* 6000 FEET.......72-77.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* 3000 FEET.......33-43 PERCENT.
* 6000 FEET.......38-48 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 16 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTH AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* UPPER SLOPES....SOUTH WINDS 5 TO 10 MPH.
* 10000 FT MSL....SOUTHWEST 15 TO 25 MPH.
* CWR (>= 0.10 IN)....20 PERCENT.
* MIXING HEIGHT.......8400 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER TO MID 60S. HIGHS IN THE 80S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS IN THE UPPER 50S
TO MID 60S. HIGHS IN THE 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS IN THE UPPER 50S
TO MID 60S. HIGHS IN THE MID 80S TO LOWER 90S. NORTH WINDS UP TO
10 MPH.
NVZ465-182345-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
102 AM PDT THU SEP 18 2025
TODAY
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
ISOLATED SHOWERS AND THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......90-95.
* 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......13-23 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 9 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....EAST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....10 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
* MIXING HEIGHT.......4400 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........FAIR.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......61-66.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......70-75 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 46 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 15 TO 25 MPH.
* CWR (>= 0.10 IN)....10 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
* CHANCE OF THUNDER...50 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......86-91.
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......32-42 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 19 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.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....5 PERCENT.
* MIXING HEIGHT.......9600 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
EXTENDED
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S TO MID 60S. HIGHS IN THE 80S. LIGHT WIND.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S TO MID 60S. HIGHS
IN THE LOWER TO MID 80S. LIGHT WIND.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS IN
THE MID 80S TO LOWER 90S. NORTHEAST WINDS 5 TO 10 MPH.
NVZ463-464-182345-
SHEEP RANGE-SPRING MOUNTAINS-
102 AM PDT THU SEP 18 2025
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES.
* MIN HUMIDITY:
* 7000 FEET.......18-28 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 9 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....SOUTH WINDS 10 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....25 PERCENT INCREASING TO 35 PERCENT IN THE
AFTERNOON.
* MIXING HEIGHT.......11000 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS IN THE EVENING, THEN SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AFTER MIDNIGHT.
* CHANCE OF THUNDER...50 PERCENT.
* MIN TEMPERATURE:
* 7000 FEET.......43-48.
* 24 HR TREND.....ON AVERAGE DOWN 6 DEGREES.
* MAX HUMIDITY:
* 7000 FEET.......89-94 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 57 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....SOUTH WINDS 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.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
* CHANCE OF THUNDER...50 PERCENT.
* MAX TEMPERATURE:
* 7000 FEET.......67-72.
* 24 HR TREND.....ON AVERAGE DOWN 6 DEGREES.
* MIN HUMIDITY:
* 7000 FEET.......50-60 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 32 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* UPPER SLOPES....SOUTH WINDS 10 MPH.
* 10000 FT MSL....SOUTH 15 TO 20 MPH.
* CWR (>= 0.10 IN)....10 PERCENT.
* MIXING HEIGHT.......8200 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........EXCELLENT.
EXTENDED
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID TO UPPER 40S. HIGHS IN THE UPPER 60S TO LOWER
70S. SOUTH WINDS 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 40S. HIGHS IN
THE UPPER 60S TO LOWER 70S. LIGHT WIND.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 40S. HIGHS IN
THE LOWER TO MID 70S. NORTH WINDS 10 MPH.
NVZ461-182345-
LINCOLN COUNTY/ELY DISPATCH-
102 AM PDT THU SEP 18 2025
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......88-93.
* 7000 FEET.......76-81.
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......12-15 PERCENT.
* 7000 FEET.......12-17 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....NORTHEAST WIND 5 TO 10 MPH SHIFTING TO THE SOUTH
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 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.......10300 FT AGL.
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS.
* VENTILATION.........EXCELLENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS IN THE
EVENING. ISOLATED THUNDERSTORMS THROUGH THE NIGHT. NUMEROUS
SHOWERS AFTER MIDNIGHT.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......59-64.
* 7000 FEET.......51-56.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......71-76 PERCENT.
* 7000 FEET.......71-76 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 44 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WIND 5 TO 10 MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....10 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
* CHANCE OF THUNDER...50 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......83-88.
* 7000 FEET.......70-75.
* 24 HR TREND.....ON AVERAGE DOWN 6 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......35-44 PERCENT.
* 7000 FEET.......39-49 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 28 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....SOUTH WIND 5 TO 10 MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....15 PERCENT.
* MIXING HEIGHT.......7200 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.
* VENTILATION.........VERY GOOD.
EXTENDED
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S. HIGHS IN THE 80S.
SOUTH WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS
IN THE MID 80S TO LOWER 90S. SOUTHWEST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS
IN THE UPPER 80S TO MID 90S. NORTHEAST WIND 5 TO 10 MPH.
NVZ462-182345-
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
102 AM PDT THU SEP 18 2025
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......85-90.
* 7000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE DOWN 10 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......17-23 PERCENT.
* 7000 FEET.......16-23 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 8 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....EAST WIND 5 TO 10 MPH SHIFTING TO THE SOUTHWEST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* UPPER SLOPES....SOUTHEAST WIND AROUND 10 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......4900 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS.
* VENTILATION.........GOOD.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......58-63.
* 7000 FEET.......50-55.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......74-79 PERCENT.
* 7000 FEET.......82-87 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 55 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTHWEST WIND 5 TO 10 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....10 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...50 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......84-89.
* 7000 FEET.......67-72.
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......31-41 PERCENT.
* 7000 FEET.......43-53 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 22 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WIND 5 TO 10 MPH. GUSTS UP TO 30 MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH WITH GUSTS TO AROUND 25
MPH.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....10 PERCENT.
* MIXING HEIGHT.......7100 FT AGL.
* TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS.
* VENTILATION.........VERY GOOD.
EXTENDED
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S TO MID 50S. HIGHS IN THE 80S. SOUTH WIND UP
TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS
IN THE 80S. SOUTHWEST WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS
IN THE UPPER 80S TO LOWER 90S. NORTHEAST WIND 5 TO 10 MPH.
NVZ460-182345-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
102 AM PDT THU SEP 18 2025
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* CHANCE OF THUNDER...0 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......82-84.
* 7000 FEET.......73-78.
* 24 HR TREND.....ON AVERAGE DOWN 8 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......18-20 PERCENT.
* 7000 FEET.......15-24 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 SOUTH AROUND
10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* UPPER SLOPES....SOUTHEAST WIND 5 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
* 10000 FT MSL....SOUTHEAST 15 TO 20 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
* MIXING HEIGHT.......8600 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........GOOD.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* 4000 FEET.......54-59.
* 7000 FEET.......48-53.
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.
* MAX HUMIDITY:
* 4000 FEET.......75-80 PERCENT.
* 7000 FEET.......78-83 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 52 PERCENT.
* 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.
* 10000 FT MSL....SOUTHEAST 15 TO 25 MPH.
* CWR (>= 0.10 IN)....30 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* 4000 FEET.......78-82.
* 7000 FEET.......67-72.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MIN HUMIDITY:
* 4000 FEET.......35-40 PERCENT.
* 7000 FEET.......47-57 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 26 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....SOUTH WIND 5 TO 10 MPH WITH GUSTS TO AROUND 25
MPH.
* UPPER SLOPES....SOUTH WIND 5 TO 10 MPH.
* 10000 FT MSL....SOUTH 10 TO 20 MPH.
* CWR (>= 0.10 IN)....30 PERCENT DECREASING TO 10 PERCENT IN THE
AFTERNOON.
* MIXING HEIGHT.......5300 FT AGL.
* TRANSPORT WINDS.....LIGHT WINDS.
* VENTILATION.........FAIR.
EXTENDED
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER TO MID 50S. HIGHS IN THE UPPER 70S TO MID 80S.
SOUTH WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE LOWER TO MID 80S. LIGHT WIND.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN
THE MID 80S TO LOWER 90S. NORTHEAST WIND 5 TO 10 MPH.
CAZ226-182345-
OWENS VALLEY/SOUTHERN INYO FOREST-
102 AM PDT THU SEP 18 2025
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....78-83.
* 7000 FEET.......65-70.
* 24 HR TREND.....ON AVERAGE DOWN 15 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....25-31 PERCENT.
* 7000 FEET.......32-42 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 16 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 25 MPH.
* UPPER SLOPES....SOUTHEAST WINDS 5 TO 10 MPH.
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.
* CWR (>= 0.10 IN)....65 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....53-58.
* 7000 FEET.......32-37.
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....84-89 PERCENT.
* 7000 FEET.......89-94 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 43 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* SLOPE/VALLEY....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* UPPER SLOPES....SOUTHEAST 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)....35 PERCENT INCREASING TO 50 PERCENT AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....78-83.
* 7000 FEET.......63-68.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....36-46 PERCENT.
* 7000 FEET.......64-74 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 22 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....SOUTH WINDS 5 TO 10 MPH.
* 10000 FT MSL....SOUTHWEST AROUND 10 MPH.
* CWR (>= 0.10 IN)....45 PERCENT DECREASING TO 15 PERCENT IN THE
AFTERNOON.
EXTENDED
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS IN THE LOWER TO
MID 50S. HIGHS IN THE LOWER TO MID 80S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE 80S. LIGHT
WIND.
MONDAY
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE MID 80S TO
LOWER 90S. EAST WINDS 5 TO 10 MPH.
CAZ227-182345-
DEATH VALLEY NATIONAL PARK-
102 AM PDT THU SEP 18 2025
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....96-101.
* 24 HR TREND.....ON AVERAGE DOWN 12 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....12-22 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 SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
* 10000 FT MSL....SOUTHEAST 15 TO 25 MPH.
* CWR (>= 0.10 IN)....30 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....75-80.
* 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....52-57 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 31 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.
* 10000 FT MSL....SOUTH 10 TO 20 MPH.
* CWR (>= 0.10 IN)....10 PERCENT INCREASING TO 25 PERCENT AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....96-101.
* 24 HR TREND.....LITTLE CHANGE.
* MIN HUMIDITY:
* VALLEY FLOOR....21-30 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 AROUND
10 MPH IN THE AFTERNOON.
* 10000 FT MSL....SOUTH 15 TO 25 MPH.
* CWR (>= 0.10 IN)....25 PERCENT DECREASING TO 10 PERCENT IN THE
AFTERNOON.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 70S TO LOWER 80S. HIGHS
100 TO 105. SOUTH WIND 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 70S. HIGHS 99 TO
104. SOUTH WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 70S TO LOWER 80S. HIGHS
103 TO 108. NORTHEAST WIND 5 TO 10 MPH.
CAZ228-182345-
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
102 AM PDT THU SEP 18 2025
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS.
* CHANCE OF THUNDER...50 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....86-91.
* 24 HR TREND.....ON AVERAGE DOWN 13 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....34-44 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 26 PERCENT.
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):
* VALLEY FLOOR....SOUTH WIND 5 TO 10 MPH SHIFTING TO THE SOUTHEAST
AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
* 10000 FT MSL....SOUTH 20 TO 30 MPH.
* CWR (>= 0.10 IN)....60 PERCENT INCREASING TO 70 PERCENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SCATTERED SHOWERS AND THUNDERSTORMS.
* CHANCE OF THUNDER...50 PERCENT.
* MIN TEMPERATURE:
* VALLEY FLOOR....62-67.
* 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES.
* MAX HUMIDITY:
* VALLEY FLOOR....75-80 PERCENT.
* 24 HR TREND.....ON AVERAGE UP 27 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....SOUTH 20 TO 30 MPH.
* CWR (>= 0.10 IN)....25 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
* CHANCE OF THUNDER...20 PERCENT.
* MAX TEMPERATURE:
* VALLEY FLOOR....90-95.
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.
* MIN HUMIDITY:
* VALLEY FLOOR....31-41 PERCENT.
* 24 HR TREND.....ON AVERAGE DOWN 3 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 25 MPH.
* 10000 FT MSL....SOUTHWEST 15 TO 25 MPH.
* CWR (>= 0.10 IN)....0 PERCENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 60S. HIGHS IN
THE UPPER 80S TO LOWER 90S. SOUTHWEST WIND 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 60S. HIGHS IN
THE UPPER 80S TO LOWER 90S. WEST WIND 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S TO LOWER 70S. HIGHS
IN THE LOWER TO MID 90S. NORTH 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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