603
FNUS75 KVEF 231902
FWSVEF

Spot Forecast for Rock Fire...CAL FIRE
National Weather Service Las Vegas NV
1202 PM PDT Thu Jul 23 2026

Forecast is based on forecast start time of 1200 PDT on July 23.

If conditions become unrepresentative...or if you have questions
or concerns with this forecast...please contact our office at
(702) 263-9750.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...
South to southwest winds each afternoon with speeds around 10-15 mph.
Overnight, we can expect a general drainage wind 3-5 mph. Afternoon RH
values 20-30%, recovering overnight to 35-45%. Thunderstorms are not
expected this afternoon, but there will be a slight chance over the
Sierra Crest Friday afternoon. Rain is unlikely at the fire, but
gusty outflow winds will be possible. High temperatures generally in
the lower to mid-80s.

.THIS AFTERNOON...

Sky/weather.........Mostly sunny. Haze through the day. Areas of
                    smoke in the afternoon.
Max temperature.....80-85.
Min humidity........24-29 percent.
Winds:
  20 ft winds.......Southwest winds up to 10 mph.
  10000 ft winds....South around 10 mph.
CWR (>= 0.10).......0 percent.
Mixing height.......10000 ft AGL.
Transport winds.....South 5 to 10 knots.
Ventilation.........Very good.

.TONIGHT...

Sky/weather.........Mostly clear. Areas of smoke in the evening.
                    Haze through the night.
Min temperature.....62-67.
Max humidity........36-41 percent.
Winds:
  20 ft winds.......Southwest winds up to 5 mph.
  10000 ft winds....South around 5 mph.
CWR (>= 0.10).......0 percent.
Mixing height.......5700 ft AGL.
Transport winds.....Southwest 5 to 10 knots.
Ventilation.........Fair.

.FRIDAY...

Sky/weather.........Mostly sunny, partly cloudy in the afternoon. Haze
through the day. Areas of smoke in the afternoon.
Slight chance of afternoon thunderstorms, mainly
over the crest.
Max temperature.....82-86.
Min humidity........24-29 percent.
Winds:
  20 ft winds.......Southwest winds up to 10 mph. Gusty and erratic
near thunderstorms.
  10000 ft winds....South around 10 mph.
CWR (>= 0.10).......5 percent.
Mixing height.......9200 ft AGL.
Transport winds.....South 5 to 10 knots.
Ventilation.........Very good.

.FRIDAY NIGHT...

Sky/weather.........Partly cloudy. Areas of smoke in the evening.
                    Haze through the night.
Min temperature.....61-64.
Max humidity........48-53 percent.
Winds:
  20 ft winds.......West winds 5 to 10 mph.
  10000 ft winds....Southwest around 5 mph.
CWR (>= 0.10).......0 percent.
Mixing height.......5100 ft AGL.
Transport winds.....West 5 to 10 knots.
Ventilation.........Good.

.SATURDAY...

Sky/weather.........Mostly sunny.
Max temperature.....79-82.
Min humidity........21-26 percent.
Winds:
  20 ft winds.......Southwest winds 5 to 10 mph.
  10000 ft winds....South around 5 mph.
CWR (>= 0.10).......0 percent.
Mixing height.......10000 ft AGL.
Transport winds.....Southwest 5 to 10 knots.
Ventilation.........Very good.

$$
Forecaster...Gorelow
Requested by...Nick Shew
Type of request...WILDFIRE
.TAG 2618060.0/VEF
.DELDT 07/23/26
.FormatterVersion 2.0.0
.EMAIL Nick.shew@fire.ca.gov