082
FNUS75 KREV 091547
FWSREV

Spot Forecast for Ruby...DOI
National Weather Service Reno NV
847 AM PDT Sun Aug 9 2026

Forecast is based on forecast start time of 0900 PDT on August 09.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

...HEAT ADVISORY IN EFFECT UNTIL 8 AM PDT MONDAY...

.DISCUSSION...

* 10-15% chance of showers and thunderstorms today, decreasing to
  less than 5% tomorrow.

* Strong and erratic thunderstorm outflow gusts will be the main
  concern today, with brief, heavy rainfall possible from stronger
  storms that develop.

* Increased W/SW breezes with low daytime RH values today and
  tomorrow will bring elevated fire weather conditions.

.REST OF TODAY...

Sky/Weather.........Sunny then becoming mostly cloudy. Slight
                    chance of showers and thunderstorms in the
                    afternoon.
Temperature.........81-83 at forecast start...Max 84-88.
RH..................22-24% at forecast start...Min 17-19%.
20-Foot Winds.......Winds south at 5 mph at forecast
                    start...otherwise Upslope 3-7 mph becoming west
                    8-13 mph late in the morning. Gusty and erratic
                    winds with gusts up to 35 mph expected near
thunderstorms in the afternoon.
Chc Wetting Rain....5%.
Chance of thunder...15%.
Mixing Height.......10,000-12,500 ft agl.
Transport Winds.....Light winds becoming west around 10 mph in
                    the afternoon.
Ventilation.........Fair to excellent.

.TONIGHT...

Sky/Weather.........Clear.
Temperature.........Min 65-68.
RH..................Max 30-33%.
20-Foot Winds.......West winds 8-13 mph becoming south 7-8 mph late
                    in the evening.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......900 ft agl in the evening, decreasing to 500 ft
agl overnight.
Transport Winds.....West around 15 mph shifting to the southwest
                    overnight around 10 mph.
Ventilation.........Excellent to marginal decreasing to poor
                    overnight.

.MONDAY...

Sky/Weather.........Partly cloudy then becoming sunny.
Temperature.........Max 83-87.
RH..................Min 15-16%.
20-Foot Winds.......South winds around 7 mph increasing to
                    southwest 13-18 mph with gusts to around 30
                    mph.
Chc Wetting Rain....0%.
Chance of thunder...5%.
Mixing Height.......600 ft agl early in the morning, increasing to
12,100 ft agl in the afternoon.
Transport Winds.....West 10-15 mph.
Ventilation.........Poor to good increasing to excellent in the
                    afternoon.

$$
Forecaster...Giralte
Requested by...Joe Malsam
Type of request...WILDFIRE
.TAG 2619303.0/REV
.DELDT 08/09/26
.FormatterVersion 2.0.0
.EMAIL jmalsam@blm.gov,jbrawley@eastforkfire.org