730 
FNUS76 KPDT 300513
FWSPDT

Spot Forecast for MP 234 & 235 Fire...OREIC
National Weather Service Pendleton OR
1013 PM PDT Tue Jul 29 2025

Forecast is based on forecast start time of 0700 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.

...RED FLAG WARNING IN EFFECT FROM 1 PM WEDNESDAY TO 11 AM PDT
THURSDAY...

.DISCUSSION...The region remains locked under a weather pattern
favorable for afternoon showers and thunderstorms. Red Flag
Warnings are in effect through Thursday as a result, with storm 
flare-up expected to start around 12 to 2 pm Wednesday afternoon,
subsiding slightly overnight, before more widespread coverage 
kicks in by early morning Thursday. Winds will be light, except 
for in the vicinity of storms, when outflow gusts could reach as 
high as 50 mph at times. 

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent) then becoming 
                    mostly cloudy (65-75 percent). Chance of rain 
                    showers and slight chance of thunderstorms late 
                    in the morning (20-30 percent), increasing late 
                    in the afternoon (45-55 percent). 
CWR.................4 percent increasing to 55 percent late in the 
                    afternoon. 
Chance of lightning.35 percent. 
Max temperature.....85-88. 
Min humidity........21-26 percent. 
Wind (20 ft)........Light winds becoming North-Northeast 5 to 8 mph 
                    by the late morning, shifting to the Northwest by
                    the afternoon. Gusty and erratic winds expected 
                    near thunderstorms.
Ridgetop wind.......Northeast winds 5 to 10 mph, shifting to the West-
                    Southwest by the afternoon. 
Mixing Height.......10000 ft AGL. 
Transport wind......East winds around 8 mph early, shifting to the
                    West-Northwest around 10 mph by the afternoon.
Ventilation Index...Poor (100) increasing to fair (430) in the 
                    afternoon. 

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 
Chc of ltng (%).0   0   0   0   20  20  20  20  20  20  40  40  
Temp............57  63  71  75  79  82  84  85  84  82  78  76  
RH..............58  56  46  39  33  30  28  26  29  32  38  42  
20 FT wind dir..N   E   E   E   NE  NE  NE  N   N   N   NW  NW  
20 FT wind spd..3   5   5   5   7   7   7   7   7   7   6   6   
20 FT wind gust.5   7   7   7   11  11  11  11  11  11  11  11  

.WEDNESDAY NIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Rain showers 
                    likely and chance of thunderstorms in the 
                    evening (45-55 percent), decreasing overnight
                    (20-30 percent). 
CWR.................55 percent decreasing to 7 percent late in the 
                    evening. 
Chance of lightning.35 percent. 
Min temperature.....53-56. 
Max humidity........74-79 percent. 
Wind (20 ft)........Northwest winds 5 to 10 mph shifting to the West 
                    overnight, then becoming light. Gusty and erratic 
                    winds expected near thunderstorms. 
Ridgetop wind.......West winds 5 to 10 mph.
Mixing Height.......3400 ft AGL early in the evening, then near-
                    surface overnight.   
Transport wind......West-Southwest winds 8 to 14 mph early in the
                    evening, becoming West around 8 mph overnight.
Ventilation Index...Fair (200) decreasing to poor (30) overnight. 

.THURSDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain 
                    showers and thunderstorms (35-45 percent). 
CWR.................7 percent increasing to 56 percent late in the 
                    morning, then decreasing to 13 percent late in 
                    the afternoon. 
Chance of lightning.35 percent. 
Max temperature.....Around 80. 
Min humidity........38-43 percent. 
Wind (20 ft)........Light winds becoming Northwest 5 to 10 mph late 
                    in the morning. Gusty and erratic winds 
                    expected near thunderstorms.
Ridgetop wind.......Northwest winds 6 to 12 mph, shifting to the
                    Southwest by the afternoon.
Mixing Height.......4500 ft AGL.   
Transport wind......West-Northwest winds 8 to 12 mph.
Ventilation Index...Poor (40) increasing to fair (230) in the 
                    afternoon. 

$$
Forecaster...Evans
Requested by...OREIC
Type of request...WILDFIRE
.TAG 2518782.0/PDT
.DELDT 07/30/25
.FormatterVersion 2.0.0
.EMAIL jaime.garcia@usda.gov,oreic@firenet.gov