193 
FNUS76 KPDT 301824
FWSPDT

Spot Forecast for SCENIC FIRE...WALLA WALLA COUNTY FIRE DISTRICT 4
National Weather Service Pendleton OR
1124 AM PDT Wed Jul 30 2025

Forecast is based on forecast start time of 1200 PDT on July 30. 
***Thunderstorms imply gusty and erratic winds***
***Winds are 20 foot 10-minute averages***
***CWR-Chance of wetting rain 0.10 or greater***
***Ventilation Index is derived from the
   transport wind multiplied by the mixing
   height in 100's of feet. Index categories
   are a generalized indicator only.***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

...HEAT ADVISORY IN EFFECT UNTIL 11 PM PDT THURSDAY...

.DISCUSSION...Hot and dry conditions expected over the area today. 
Winds will be from the NW at 5-8 mph shifting to the N around 5 PM 
then E overnight. Daytime RHs today will be below 20% with good 
overnight recoveries around 40%. Tomorrow will see slightly cooler 
temps, daytime RHs to near 20%. Winds will be from the S to start 
shifting to the W at 5-8 mph then 8-11 mph. Chance of lightning will 
increase to near 22% after 2PM. Gusty and erratic winds expected near 
thunderstorms.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent). 
CWR.................0 percent. 
Chance of lightning.5 percent. 
Max temperature.....100-103. 
Min humidity........11-16 percent. 
Wind (20 ft)........Northwest winds 5 to 8 mph shifting to the 
                    north around 5 PM.  
Mixing height.......8800 ft AGL. 
Transport winds.....North 8 to 9 mph. 
Ventilation Index...Fair (440). 

TIME (PDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P 
Chc of ltng (%).0   0   0   0   0   10  10  10  0   0   0   0   
Temp............93  93  97  99  99  100 98  97  92  80  81  78  
RH..............21  20  18  16  16  16  16  18  23  31  30  31  
20 FT wind dir..W   W   NW  NW  NW  N   N   N   E   E   E   SE  
20 FT wind spd..8   8   8   8   8   8   8   8   8   8   8   8   
20 FT wind gust.10  10  11  11  11  10  10  10                  

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent). 
CWR.................0 percent. 
Chance of lightning.5 percent. 
Min temperature.....69-72. 
Max humidity........39-44 percent. 
Wind (20 ft)........North winds 5 to 8 mph shifting to the east 
                    early in the evening, then shifting to the 
                    south late in the evening.  
Mixing height.......900 ft AGL. 
Transport winds.....Northeast 7 to 9 mph shifting to the southeast 
                    late in the evening, then shifting to the south 
                    around 13 mph early in the morning. 
Ventilation Index...Fair (240) decreasing to poor (50) overnight. 

.THURSDAY...

Sky/weather.........Mostly sunny (30-40 percent). Slight chance of 
                    showers late in the morning. Chance of showers 
                    and slight chance of thunderstorms late in the 
                    afternoon. 
CWR.................0 percent increasing to 22 percent late in the 
                    afternoon. 
Chance of lightning.22 percent. 
Max temperature.....95-98. 
Min humidity........20-25 percent. 
Wind (20 ft)........South winds 5 to 8 mph shifting to the west 5 
                    to 11 mph around 11 AM. Gusty and 
                    erratic winds expected near thunderstorms late 
                    in the afternoon. 
Mixing height.......5300 ft AGL. 
Transport winds.....Southwest 8 to 13 mph. 
Ventilation Index...Poor (190) increasing to fair (430) in the 
                    afternoon. 

$$
Forecaster...Bennese
Requested by...BRANDON MCKINNEH
Type of request...WILDFIRE
.TAG 2518869.1/PDT
.DELDT 07/30/25
.FormatterVersion 2.0.0
.EMAIL jgolden@wwfire4.com,bmckinney@wwfire4.com