990
FNUS75 KVEF 141049
FWSVEF

Spot Forecast for Grapevine...DOI - WFS
National Weather Service Las Vegas NV
349 AM PDT Tue Jul 14 2026

Forecast is based on forecast start time of 0659 PDT on July 14.

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...Moisture continues increasing across the area, with
min RH at the Grapevine Fire today around 26%, good recovery
tonight, and RH Wednesday afternoon around 27%. There is a 10-15%
chance of thunderstorms at the wildfire this afternoon, mainly
after 1200 PDT, with erratic gusty winds and lightning the main
concerns. Brief downpours are possible, though wetting rain is not
expected. Outflow winds from distant storms could also impact the
Grapevine Fire containment area. The chance for storms increases
to 30-40% on Wednesday, with potential for wetting rain increasing
later in the week. Away from storms, 20ft winds will generally
remain light and terrain-driven, under 10 mph.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
Max temperature.....Around 90.
Min humidity........24-29 percent.
Winds:
  20 ft winds.......Southwest winds up to 5 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
  10000 ft winds....South around 10 mph.
CWR (>= 0.10).......0 percent.
Mixing height.......12900 ft AGL.
Transport winds.....Southwest 5 to 10 knots.
Ventilation.........Excellent.

.TONIGHT...

Sky/weather.........Partly cloudy.
Min temperature.....62-65.
Max humidity........55-60 percent.
Winds:
  20 ft winds.......Southeast winds up to 5 mph in the evening
                    becoming light.
  10000 ft winds....Southwest around 5 mph.
CWR (>= 0.10).......0 percent.
Mixing height.......7500 ft AGL.
Transport winds.....East up to 5 knots.
Ventilation.........Very good.

.WEDNESDAY...

Sky/weather.........Mostly sunny. Chance of showers and
                    thunderstorms through the day.
Max temperature.....Around 90.
Min humidity........24-29 percent.
Winds:
  20 ft winds.......North winds up to 5 mph shifting to the
                    southwest around 5 mph in the afternoon. Gusty
                    and erratic winds expected near thunderstorms.
  10000 ft winds....Southwest around 5 mph.
CWR (>= 0.10).......40 percent.
Mixing height.......13000 ft AGL.
Transport winds.....Southwest 5 to 10 knots.
Ventilation.........Excellent.

$$
Forecaster...Phillipson
Requested by...Mike Brown
Type of request...WILDFIRE
.TAG 2617195.4/VEF
.DELDT 07/14/26
.FormatterVersion 2.0.0
.EMAIL nvecc@firenet.gov,arowe@blm.gov