FNUS75 KREV 200514
FWSREV

Spot Forecast for Casa Diablo RX...USFS
National Weather Service Reno NV
1014 PM PDT Tue May 19 2026

Forecast is based on ignition time of 0500 PDT on May 20. 
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Warm trend and dry conditions continue through the work week.
 
* Light and variable winds prevail during the morning and afternoon.
  However, gusts up to 15 mph are possible at times.

* Potential for light showers and thunderstorms on Thursday 
  evening and Friday increased to 5-15%. Low chances persist into 
  the weekend.


.WEDNESDAY...

Sky/Weather.........Sunny then becoming mostly cloudy. 
Temperature.........Max 64-69. 
RH..................Min 10-15%. 
20-Foot Winds.......Light and variable winds 3-7 mph with gusts
					up to 15 mph in the afternoon. 
Chc Wetting Rain....0%. 
Chance of thunder...0%. 
Mixing Height.......3700-4700 ft agl in the morning, then 
					7700-8700 in the afternoon. 
Transport Winds.....Light winds, around 5 mph from the north. 
Ventilation.........Poor to fair in the morning, then good in the 
					afternoon. 

.WEDNESDAY NIGHT...

Sky/Weather.........Clear. 
Temperature.........Min 30-35. 
RH..................Max 60-65%. 
20-Foot Winds.......North to northwest winds 2-7 mph with gusts up to 
					15 mph early in the evening. 
Chc Wetting Rain....0%. 
Chance of thunder...0%. 
Mixing Height.......7700-8700 early in the evening, then 600-700 ft agl. 
Transport Winds.....West around 10 mph in the evening becoming 
                    light. 
Ventilation.........Very good early in the evening, then poor. 

.THURSDAY...

Sky/Weather.........Sunny. 
Temperature.........Max 69-74. 
RH..................Min 12-17%. 
20-Foot Winds.......Light and variable winds 3-8 mph with gusts up to 15 mph 
					in the afternoon. 
Chc Wetting Rain....0%. 
Chance of thunder...0%. 
Mixing Height.......200-500 ft agl in the early morning, increasing to 
					4800 late morning, then 9400 ft agl in the 
                    afternoon. 
Transport Winds.....Light winds becoming northwest around 10 mph in 
                    the afternoon. 
Ventilation.........Poor to fair in the morning, then very good to
					excellent in the afternoon. 

$$
Forecaster...Crespo
Requested by...Travis White
Type of request...PRESCRIBED
.TAG 2613727.3/REV
.DELDT 05/20/26
.FormatterVersion 2.0.0
.EMAIL alexander.teitelbaum@usda.gov,andrew.clark2@usda.gov,travis.white@usda.gov,lucas.hurley@usda.gov