598
FNUS76 KPDT 282344
FWSPDT

Spot Forecast for Tygh Valley Rural Fire Request...Tygh Valley Rural Fire Protection District
National Weather Service Pendleton OR
444 PM PDT Tue Jul 28 2026

Forecast is based on forecast start time of 1700 PDT on July 28.
***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 transport wind
   multiplied by the mixing height in 100`s of ft.
   Categories are a generalized indicator only:
   low (< 200), moderate (200-500), high (500-700),
   and very high (> 700).                           ***

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

.DISCUSSION...Winds will be from the west through this afternoon,
shifting to the northwest then north before becoming drainage winds
overnight. Winds will increase from the north Wednesday. RHs will
be dip into the mid 20s early this evening and upper teens tomorrow.
Overnight recovery will be good to excellent.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent). Smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....86-89.
Min humidity........26-31 percent.
Wind (20 ft)........West winds 6 to 11 mph.
Ridgetop wind.......West winds 7 to 12 mph with gusts up to
19 mph.
Mixing height.......4200 ft AGL.
Transport winds.....West around 12 mph.
Ventilation Index...Moderate (210).

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent). Smoke in the
                    evening, then patchy smoke overnight.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....53-56.
Max humidity........77-82 percent.
Wind (20 ft)........Northwest winds 6 to 11 mph shifting to the north
5 to 8 mph around 8PM, then becoming drainage
winds around 12AM.
Ridgetop wind.......Norhtwest winds 7 to 13 mph with gusts up to
20 mph shifting to the north 5 to 10 mph
around 8PM, then becoming light winds
around 12AM.
Mixing height.......1100 ft AGL in the evening then 500 ft AGL
                    overnight.
Transport winds.....West around 5 mph.
Ventilation Index...Moderate (210) decreasing to low (30)
                    overnight.

.WEDNESDAY...

Sky/weather.........Sunny (0-10 percent). Patchy smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 90.
Min humidity........19-24 percent.
Wind (20 ft)........Drainage winds becoming north 6 to 11 mph
after 2PM.
Ridgetop wind.......Light winds becoming north 8 to 14 mph
after 2PM with gusts up to 21 mph.
Mixing height.......5500 ft AGL early in the morning.
Transport winds.....West around 5 mph.
Ventilation Index...Low (30) increasing to moderate (270) in the
                    afternoon.

$$
Forecaster...Lawhorn
Requested by...Paul LaPlant
Type of request...WILDFIRE
.TAG 2618539.0/PDT
.DELDT 07/28/26
.FormatterVersion 2.0.0
.EMAIL tvrfpd@gmail.com