221
FNUS76 KPDT 242233
FWSPDT

Spot Forecast for Bench...OR-WSA
National Weather Service Pendleton OR
333 PM PDT Fri Jul 24 2026

Forecast is based on forecast start time of 0700 PDT on July 25.
***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...An upper weather system clipping the region will
result in increased west winds Saturday afternoon. Winds will
become northerly overnight, and be from the northwest Sunday.
Unstable conditions will remain over the fire site Saturday,
then increase Sunday afternoon. RHs will be in the low 20s tomorrow
afternoon, but decrease into upper teens Sunday afternoon.
Overnight recovery will be good.

.SATURDAY...

Sky/weather.........Sunny (0-10 percent). Patchy smoke in the
                    morning. Patchy smoke late in the afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....86-89.
Min humidity........20-25 percent.
Wind (20 ft)........Light winds becoming west 5 to 10 mph, then
increasing to 12 to 20 mph with gusts up to
28 mph around 11AM.
Mixing height.......6700 ft AGL early in the morning.
Transport winds.....Light winds becoming southwest 18 to 24 mph.
Ventilation Index...Low (70) increasing to very high (1050) in the
                    afternoon.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............59  62  65  72  76  80  82  84  85  83  83  81
RH..............75  69  58  45  37  31  27  25  25  26  27  29
20 FT wind dir..S   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..5   5   6   9   12  12  15  18  20  21  19  19
20 FT wind gust.            10  16  18  21  24  26  26  26  26

.SATURDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent). Patchy smoke early
                    in the evening. Patchy smoke early in the
                    morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....52-55.
Max humidity........75-80 percent.
Wind (20 ft)........West winds 12 to 20 mph with gusts up to 29 mph
decreasing to 5 to 10 mph after 9PM, then
shifting to the northeast after 11PM, then
shifting to the northwest 4 to 7 mph around
3AM.
Mixing height.......1200 ft AGL in the evening then 500 ft AGL
                    early in the morning.
Transport winds.....West around 22 mph early in the evening
                    decreasing to around 10 mph, then shifting to
                    the north late in the evening becoming light.
Ventilation Index...Moderate (350) decreasing to low (30)
                    overnight.

.SUNDAY...

Sky/weather.........Sunny (0-10 percent). Patchy smoke in the
                    morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....86-89.
Min humidity........18-23 percent.
Wind (20 ft)........Northwest winds 4 to 7 mph increasing to 5 to
10 mph around 12PM.
Mixing height.......8600 ft AGL.
Transport winds.....Light winds becoming west around 16 mph.
Ventilation Index...Low (30) increasing to moderate (480) in the
                    afternoon.

$$
Forecaster...Lawhorn
Requested by...Cassandra Begay
Type of request...WILDFIRE
.TAG 2618161.0/PDT
.DELDT 07/24/26
.FormatterVersion 2.0.0
.EMAIL cassandra_begay@firenet.gov