694
FNUS75 KREV 080544
FWSREV

Spot Forecast for Muck Valley Dam RX Assist...CALFIRE/LMU
National Weather Service Reno NV
1044 PM PDT Mon Sep 7 2026

Forecast is based on ignition time of 0800 PDT on September 09.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Dry weather continues, with the warmest temperatures Wednesday
  followed by gradual cooling into the weekend.

* Afternoon humidity will be lowest Wednesday. Overnight recoveries
  will be fair Wednesday night, then improve Thursday night into
  the weekend.

* Winds remain light Wednesday, with increasing westerly breezes
  each afternoon and evening Thursday through Saturday. Gusts around
  25-30 mph will coincide with minimum humidity of 20-30%.

.WEDNESDAY...

Sky/Weather.........Sunny then becoming partly cloudy.
Temperature.........52-55 at ignition...Max 85-88.
RH..................43-48% at ignition...Min 16-21%.
20-Foot Winds.......Southeast 3-7 mph before noon, increasing from
                    the west-northwest 8-13 mph with gusts to 21 mph
                    in the afternoon.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......3700-4700 ft agl.
Transport Winds.....Southeast around 10 mph shifting to the west in
                    the afternoon.
Ventilation.........Marginal in the morning becoming very good in the
                    afternoon.

.WEDNESDAY NIGHT...

Sky/Weather.........Partly cloudy.
Temperature.........Min 52-55.
RH..................Max 42-47%.
20-Foot Winds.......Southwest winds 4-7 mph before 11 pm, becoming
                    southeast 5-9 mph overnight.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl.
Transport Winds.....West around 10 mph in the evening becoming
                    light.
Ventilation.........Very good in the evening becoming poor overnight.

.THURSDAY...

Sky/Weather.........Partly cloudy then becoming mostly cloudy.
Temperature.........Max 83-86.
RH..................Min 17-23%.
20-Foot Winds.......South-southwest winds 7-11 mph in the morning,
                    increasing from the west-southwest 10-15 mph with
                    gusts to 27 mph in the afternoon.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl then 3400 ft agl in the
                    afternoon.
Transport Winds.....Light winds becoming west around 15 mph in the
                    afternoon.
Ventilation.........Poor in the morning increasing to excellent in the
                    afternoon.

$$
Forecaster...Johnston
Requested by...Larry Turman
Type of request...PRESCRIBED
.TAG 2621205.0/REV
.DELDT 09/08/26
.FormatterVersion 2.0.0
.EMAIL larry.turman@fire.ca.gov