Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Las Vegas, NV
Issued by NWS Las Vegas, NV
827
FNUS55 KVEF 181934
FWFVEF
Fire Weather Planning Forecast for Southern Nevada
Northwest Arizona and Southeast California
National Weather Service Las Vegas NV
1234 PM PDT Tue Aug 18 2026
.DISCUSSION... Hot and dry conditions continue through at least
Thursday week before monsoonal moisture returns to the region on
Friday. Afternoon Min RH values will fall into the lower teens
with overnight recoveries only in the 25-35 percent range. Mainly
dry conditions most of the week with an isolated storm possible
Thursday in western Arizona, then increasing storm chances and
coverage further north and west Friday through the weekend as
monsoon moisture returns. Diurnal wind pattern expected each day
with afternoon wind gusts in the 15-25 mph range.
Note: Thunderstorms imply gusty and erratic winds.
Note: Please see operating plan for detailed zone descriptions at:
http://www.wrh.noaa.gov/vef/fire.php
AZZ101-CAZ229-NVZ466-191115-
Lake Mead NRA/Colorado River-AZ side-Lower Colorado River Valley-
Lake Mead NRA/Colorado River-NV side-
1234 PM PDT Tue Aug 18 2026 /1234 PM MST Tue Aug 18 2026/
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* Valley floor....82-87.
* 24 hr trend.....Little change.
* Max humidity:
* Valley floor....27-32 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 in the evening becoming
downslope/downvalley 2 to 5 mph.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* Valley floor....108-113.
* 24 hr trend.....On average down 2 degrees.
* Min humidity:
* Valley floor....12-20 percent.
* 24 hr trend.....On average up 3 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor....South wind 5 to 10 mph with gusts to around 25
mph.
* 10000 ft msl....Southwest 10 to 20 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......10500 ft agl.
* Transport winds.....South 10 to 15 knots.
* Ventilation.........Excellent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* Valley floor....82-87.
* 24 hr trend.....Little change.
* Max humidity:
* Valley floor....35-40 percent.
* 24 hr trend.....On average up 8 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor....South wind 5 to 10 mph.
* 10000 ft msl....Southwest 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* Valley floor....107-112.
* 24 hr trend.....Little change.
* Min humidity:
* Valley floor....15-23 percent.
* 24 hr trend.....On average up 3 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor....South wind 5 to 10 mph with gusts to around 25
mph.
* 10000 ft msl....South around 10 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......11000 ft agl.
* Transport winds.....South around 10 knots.
* Ventilation.........Very good.
.EXTENDED...
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the mid 80s to lower 90s. Highs 108 to 113. South wind up to
10 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows in the mid to upper 80s. Highs 110 to 115. South wind up to
10 mph.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the 80s. Highs 108 to 113. South wind 5 to 10 mph.
$$
AZZ102-191115-
Northwest Deserts/Northwest Plateau-
1234 PM MST Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 3000 feet.......75-80.
* 6000 feet.......59-64.
* 24 hr trend.....Little change.
* Max humidity:
* 3000 feet.......30-35 percent.
* 6000 feet.......39-44 percent.
* 24 hr trend.....On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....South winds 5 to 10 mph.
* Upper slopes....Southwest winds 5 to 10 mph in the evening
becoming downslope/downvalley 2 to 5 mph.
* 10000 ft msl....Southwest 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 3000 feet.......104-109.
* 6000 feet.......88-93.
* 24 hr trend.....Little change.
* Min humidity:
* 3000 feet.......13-19 percent.
* 6000 feet.......15-21 percent.
* 24 hr trend.....On average up 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....South winds 5 to 10 mph shifting to the
southwest in the afternoon. Gusts up to 30 mph.
* Upper slopes....Southwest winds 5 to 10 mph. Gusts up to 25 mph
in the afternoon.
* 10000 ft msl....Southwest 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......10700 ft agl.
* Transport winds.....Southwest 10 to 15 knots.
* Ventilation.........Excellent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 3000 feet.......75-80.
* 6000 feet.......59-64.
* 24 hr trend.....Little change.
* Max humidity:
* 3000 feet.......41-46 percent.
* 6000 feet.......48-53 percent.
* 24 hr trend.....On average up 9 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....South winds 5 to 10 mph.
* Upper slopes....South winds 5 to 10 mph.
* 10000 ft msl....Southwest around 10 mph.
* CWR (>= 0.10 in)....0 percent.
.THURSDAY...
* Sky/Weather.........Mostly sunny. Isolated showers and
thunderstorms.
* Chance of thunder...10 percent.
* Max temperature:
* 3000 feet.......103-108.
* 6000 feet.......87-92.
* 24 hr trend.....Little change.
* Min humidity:
* 3000 feet.......17-23 percent.
* 6000 feet.......20-28 percent.
* 24 hr trend.....On average up 3 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....South winds 5 to 10 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....Southwest 5 to 10 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......9800 ft agl.
* Transport winds.....Southwest around 10 knots.
* Ventilation.........Very good.
.EXTENDED...
.FRIDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows
in the lower to mid 70s. Highs 95 to 100. Southwest winds up to
10 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows in the upper 60s to mid 70s. Highs 95 to 100. South winds up
to 10 mph.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the upper 60s to mid 70s. Highs in the mid to upper 90s. South
winds 5 to 10 mph.
$$
NVZ465-191115-
Clark and SW Lincoln County Deserts/Las Vegas Dispatch-
1234 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 4000 feet.......75-80.
* 24 hr trend.....Little change.
* Max humidity:
* 4000 feet.......23-28 percent.
* 24 hr trend.....On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Southwest winds 5 to 10 mph in the evening
becoming downslope/downvalley 2 to 5 mph.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 4000 feet.......105-110.
* 24 hr trend.....Little change.
* Min humidity:
* 4000 feet.......9-15 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Upslope/upvalley 4 to 8 mph becoming south around
10 mph with gusts to around 25 mph in the afternoon.
* 10000 ft msl....Southwest 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......11600 ft agl.
* Transport winds.....South around 10 knots.
* Ventilation.........Excellent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 4000 feet.......76-81.
* 24 hr trend.....Little change.
* Max humidity:
* 4000 feet.......27-32 percent.
* 24 hr trend.....On average up 4 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....Southwest around 10 mph.
* CWR (>= 0.10 in)....0 percent.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 4000 feet.......105-110.
* 24 hr trend.....Little change.
* Min humidity:
* 4000 feet.......11-19 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 becoming south 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.......11700 ft agl.
* Transport winds.....South 5 to 10 knots.
* Ventilation.........Very good.
.EXTENDED...
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows in the 70s. Highs 95 to 100. South winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows in the lower to mid 70s. Highs 95 to 100. South winds up to
10 mph.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the lower to mid 70s. Highs in the mid to upper 90s. South
winds 5 to 10 mph.
$$
NVZ463-464-191115-
Sheep Range-Spring Mountains-
1234 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 7000 feet.......56-61.
* 24 hr trend.....Little change.
* Max humidity:
* 7000 feet.......31-36 percent.
* 24 hr trend.....On average down 3 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Upper slopes....Southwest winds 10 mph in the evening becoming
downslope/downvalley 2 to 5 mph. Gusts up to 20 mph.
* 10000 ft msl....South 10 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 7000 feet.......88-93.
* 24 hr trend.....Little change.
* Min humidity:
* 7000 feet.......13-21 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Upper slopes....Upslope/upvalley 4 to 8 mph becoming southwest 10
mph in the afternoon. Gusts up to 25 mph.
* 10000 ft msl....South around 10 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....Light winds.
* Ventilation.........Good.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 7000 feet.......57-62.
* 24 hr trend.....Little change.
* Max humidity:
* 7000 feet.......32-37 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Upper slopes....Southwest winds 10 mph in the evening becoming
downslope/downvalley 2 to 5 mph. Gusts up to 20 mph.
* 10000 ft msl....South 10 mph.
* CWR (>= 0.10 in)....0 percent.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 7000 feet.......88-93.
* 24 hr trend.....Little change.
* Min humidity:
* 7000 feet.......15-23 percent.
* 24 hr trend.....On average up 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Upper slopes....Upslope/upvalley 4 to 8 mph becoming southwest
around 10 mph in the afternoon. Gusts up to 30 mph.
* 10000 ft msl....South around 10 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......12100 ft agl.
* Transport winds.....South around 10 knots.
* Ventilation.........Excellent.
.EXTENDED...
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows in the mid 50s to lower 60s. Highs in the lower to mid 80s.
South winds 10 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows in the mid 50s to lower 60s. Highs in the lower to mid 80s.
South winds 10 mph.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the mid 50s to lower 60s. Highs in the lower to mid 80s. South
winds 10 mph.
$$
NVZ461-191115-
Lincoln County/Ely Dispatch-
1234 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 4000 feet.......69-74.
* 7000 feet.......60-65.
* 24 hr trend.....Little change.
* Max humidity:
* 4000 feet.......30-35 percent.
* 7000 feet.......37-42 percent.
* 24 hr trend.....On average down 6 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Downslope/downvalley 2 to 5 mph.
* Upper slopes....Southwest wind 5 to 10 mph in the evening
becoming downslope/downvalley 2 to 5 mph.
* 10000 ft msl....Southwest 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 4000 feet.......101-106.
* 7000 feet.......88-93.
* 24 hr trend.....Little change.
* Min humidity:
* 4000 feet.......13-16 percent.
* 7000 feet.......13-19 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Upslope/upvalley 4 to 8 mph becoming south around
10 mph with gusts to around 25 mph in the afternoon.
* Upper slopes....Upslope/upvalley 4 to 8 mph becoming southwest
around 10 mph with gusts to around 25 mph in the afternoon.
* 10000 ft msl....Southwest 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......9800 ft agl.
* Transport winds.....Light winds.
* Ventilation.........Very good.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 4000 feet.......69-74.
* 7000 feet.......60-65.
* 24 hr trend.....Little change.
* Max humidity:
* 4000 feet.......31-36 percent.
* 7000 feet.......35-40 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....South wind 5 to 10 mph in the evening becoming
downslope/downvalley 2 to 5 mph.
* Upper slopes....Southwest wind around 10 mph in the evening
becoming downslope/downvalley 2 to 5 mph.
* 10000 ft msl....Southwest 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 4000 feet.......101-106.
* 7000 feet.......89-94.
* 24 hr trend.....Little change.
* Min humidity:
* 4000 feet.......16-19 percent.
* 7000 feet.......13-21 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Upslope/upvalley 4 to 8 mph becoming south around
10 mph in the afternoon. Gusts up to 30 mph.
* Upper slopes....South wind 5 to 10 mph shifting to the southwest
in the afternoon. Gusts up to 30 mph.
* 10000 ft msl....Southwest 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......10300 ft agl.
* Transport winds.....Southeast 5 to 10 knots.
* Ventilation.........Excellent.
.EXTENDED...
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows in the 60s. Highs 97 to 102. South wind 5 to 10 mph.
.SATURDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows in the lower to mid 60s. Highs 97 to 102. South wind up to
10 mph.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the lower to mid 60s. Highs 96 to 101. South wind 10 to
15 mph.
$$
NVZ462-191115-
Nye County Deserts/Las Vegas Dispatch-
1234 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 4000 feet.......71-76.
* 7000 feet.......63-68.
* 24 hr trend.....Little change.
* Max humidity:
* 4000 feet.......24-29 percent.
* 7000 feet.......32-37 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....South wind 5 to 10 mph in the evening becoming
downslope/downvalley 2 to 5 mph.
* Upper slopes....South wind 5 to 10 mph.
* 10000 ft msl....South around 10 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 4000 feet.......102-107.
* 7000 feet.......87-92.
* 24 hr trend.....Little change.
* Min humidity:
* 4000 feet.......9-12 percent.
* 7000 feet.......13-16 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Upslope/upvalley 4 to 8 mph becoming south 10 to
15 mph with gusts to around 30 mph in the afternoon.
* Upper slopes....South wind 5 to 10 mph increasing to 10 to 15
mph in the afternoon. Gusts up to 35 mph.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....South around 10 knots.
* Ventilation.........Excellent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 4000 feet.......72-77.
* 7000 feet.......63-68.
* 24 hr trend.....Little change.
* Max humidity:
* 4000 feet.......25-30 percent.
* 7000 feet.......29-34 percent.
* 24 hr trend.....On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....South wind around 10 mph with gusts to around 25
mph in the evening becoming downslope/downvalley 2 to 5 mph.
* Upper slopes....South wind 5 to 10 mph. Gusts up to 25 mph in
the evening.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 4000 feet.......104-109.
* 7000 feet.......87-92.
* 24 hr trend.....Little change.
* Min humidity:
* 4000 feet.......9-12 percent.
* 7000 feet.......12-15 percent.
* 24 hr trend.....Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Southeast wind 5 to 10 mph shifting to the south
in the afternoon. Gusts up to 35 mph.
* Upper slopes....South wind 10 to 15 mph with gusts to around 30
mph.
* 10000 ft msl....South 10 to 20 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......13300 ft agl.
* Transport winds.....South around 10 knots.
* Ventilation.........Excellent.
.EXTENDED...
.FRIDAY...Partly cloudy. Lows in the 60s. Highs 97 to 102. South
wind 10 to 15 mph.
.SATURDAY...Partly cloudy. Lows in the 60s. Highs 97 to 102.
South wind 10 to 15 mph.
.SUNDAY...Mostly clear. Isolated showers. Lows in the lower to
mid 60s. Highs 96 to 101. South wind 10 to 15 mph.
$$
NVZ460-191115-
Esmeralda and Nye County Deserts/CNC Dispatch-
1234 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 4000 feet.......64-69.
* 7000 feet.......61-66.
* 24 hr trend.....On average up 2 degrees.
* Max humidity:
* 4000 feet.......28-33 percent.
* 7000 feet.......31-36 percent.
* 24 hr trend.....On average down 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....South 5 to 10 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 4000 feet.......98-102.
* 7000 feet.......86-91.
* 24 hr trend.....On average up 2 degrees.
* Min humidity:
* 4000 feet.......10-12 percent.
* 7000 feet.......12-17 percent.
* 24 hr trend.....On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Upslope/upvalley 4 to 8 mph becoming south around
10 mph in the afternoon. Gusts up to 30 mph.
* Upper slopes....Upslope/upvalley 4 to 8 mph becoming south around
10 mph with gusts to around 25 mph in the afternoon.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......9000 ft agl.
* Transport winds.....South around 10 knots.
* Ventilation.........Excellent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* 4000 feet.......63-68.
* 7000 feet.......61-66.
* 24 hr trend.....Little change.
* Max humidity:
* 4000 feet.......26-31 percent.
* 7000 feet.......28-33 percent.
* 24 hr trend.....On average down 3 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 around 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.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* 4000 feet.......98-102.
* 7000 feet.......88-93.
* 24 hr trend.....On average up 2 degrees.
* Min humidity:
* 4000 feet.......9-11 percent.
* 7000 feet.......10-15 percent.
* 24 hr trend.....On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Upslope/upvalley 4 to 8 mph becoming south 10 to
15 mph in the afternoon. Gusts up to 35 mph.
* Upper slopes....Upslope/upvalley 4 to 8 mph becoming south 10 to
15 mph with gusts to around 30 mph in the afternoon.
* 10000 ft msl....South 10 to 20 mph.
* CWR (>= 0.10 in)....0 percent.
* Mixing height.......10700 ft agl.
* Transport winds.....South 10 to 15 knots.
* Ventilation.........Excellent.
.EXTENDED...
.FRIDAY...Partly cloudy. Lows in the 60s. Highs 95 to 100. South
wind 10 to 15 mph.
.SATURDAY...Partly cloudy. Lows in the lower to mid 60s. Highs in
the mid to upper 90s. South wind 5 to 10 mph.
.SUNDAY...Partly cloudy. Lows in the upper 50s to mid 60s. Highs
in the 90s. South wind 5 to 10 mph.
$$
CAZ226-191115-
Owens Valley/Southern Inyo Forest-
1234 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* Valley floor....66-71.
* 7000 feet.......42-47.
* 24 hr trend.....On average up 2 degrees.
* Max humidity:
* Valley floor....32-37 percent.
* 7000 feet.......43-48 percent.
* 24 hr trend.....Little change.
* 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....Southeast 5 to 10 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* Valley floor....100-105.
* 7000 feet.......86-91.
* 24 hr trend.....On average up 2 degrees.
* Min humidity:
* Valley floor....9-12 percent.
* 7000 feet.......14-24 percent.
* 24 hr trend.....On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Upslope/upvalley 4 to 8 mph becoming south around
10 mph with gusts to around 25 mph in the afternoon.
* Upper slopes....Upslope/upvalley 4 to 8 mph becoming south around
10 mph with gusts to around 25 mph in the afternoon.
* 10000 ft msl....South around 10 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* Valley floor....66-71.
* 7000 feet.......42-47.
* 24 hr trend.....Little change.
* Max humidity:
* Valley floor....27-32 percent.
* 7000 feet.......35-40 percent.
* 24 hr trend.....On average down 7 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Southwest winds 5 to 10 mph in the evening
becoming downslope/downvalley 2 to 5 mph.
* Upper slopes....West winds 5 to 10 mph.
* 10000 ft msl....South around 10 mph.
* CWR (>= 0.10 in)....0 percent.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* Valley floor....101-106.
* 7000 feet.......86-91.
* 24 hr trend.....Little change.
* Min humidity:
* Valley floor....9-11 percent.
* 7000 feet.......11-20 percent.
* 24 hr trend.....On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley....Upslope/upvalley 4 to 8 mph becoming south 10 to
15 mph with gusts to around 30 mph in the afternoon.
* Upper slopes....West winds 5 to 10 mph shifting to the south
with gusts to around 30 mph in the afternoon.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.EXTENDED...
.FRIDAY...Mostly clear. Lows in the 60s. Highs 96 to 101. South
winds 10 to 15 mph.
.SATURDAY...Mostly clear. Lows in the lower to mid 60s. Highs
95 to 100. South winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower to mid 60s. Highs in
the mid to upper 90s. South winds 5 to 10 mph.
$$
CAZ227-191115-
Death Valley National Park-
1234 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* Valley floor....87-92.
* 24 hr trend.....Little change.
* Max humidity:
* Valley floor....16-21 percent.
* 24 hr trend.....Little change.
* 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 around 10 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* Valley floor....115-120.
* 24 hr trend.....Little change.
* 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 in the afternoon.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* Valley floor....89-94.
* 24 hr trend.....On average up 2 degrees.
* Max humidity:
* Valley floor....14-19 percent.
* 24 hr trend.....On average down 2 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor....South wind 5 to 10 mph.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* Valley floor....117-122.
* 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 in the afternoon. Gusts up to 25 mph.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.EXTENDED...
.FRIDAY...Mostly clear. Lows in the upper 80s to lower 90s. Highs
117 to 122. South wind around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 80s to lower 90s. Highs
116 to 121. South wind around 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 80s to lower 90s. Highs
114 to 119. South wind 5 to 10 mph.
$$
CAZ228-191115-
Mojave Desert Including Morongo Valley/Yucca Valley-
1234 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* Valley floor....71-76.
* 24 hr trend.....Little change.
* Max humidity:
* Valley floor....25-30 percent.
* 24 hr trend.....Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor....Southwest wind 5 to 10 mph.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of thunder...0 percent.
* Max temperature:
* Valley floor....107-112.
* 24 hr trend.....Little change.
* Min humidity:
* Valley floor....8-17 percent.
* 24 hr trend.....Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor....Upslope/upvalley 4 to 8 mph becoming south around
10 mph in the afternoon. Gusts up to 30 mph.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of thunder...0 percent.
* Min temperature:
* Valley floor....72-77.
* 24 hr trend.....Little change.
* Max humidity:
* Valley floor....31-36 percent.
* 24 hr trend.....On average up 6 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor....Southwest wind around 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.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of thunder...0 percent.
* Max temperature:
* Valley floor....107-112.
* 24 hr trend.....Little change.
* Min humidity:
* Valley floor....11-21 percent.
* 24 hr trend.....On average up 3 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor....Upslope/upvalley 4 to 8 mph becoming south around
10 mph in the afternoon. Gusts up to 30 mph.
* 10000 ft msl....South 10 to 15 mph.
* CWR (>= 0.10 in)....0 percent.
.EXTENDED...
.FRIDAY...Partly cloudy. Lows in the mid 70s to lower 80s. Highs
103 to 108. South wind 5 to 10 mph.
.SATURDAY...Partly cloudy. Isolated showers. Lows in the mid 70s
to lower 80s. Highs 103 to 107. South wind 5 to 10 mph.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the 70s. Highs 102 to 106. 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