282
FNUS76 KPDT 111852
FWSPDT

Spot Forecast for Bologna...USFS
National Weather Service Pendleton OR
1152 AM PDT Tue Aug 11 2026

Forecast is based on forecast start time of 1000 PDT on August 12.
***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...

Light northwest surface winds overnight will shift west up to 10 mph on
Wednesday as the afternoon relative humidity falls as low as 20% by
late afternoon. Although shower and thunderstorms are possible the
chances for dry lighting are very low (less than 5%) at the fire site
Thursday.


.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent). Patchy smoke in
                    the evening, then areas of smoke late in the
                    evening. Patchy smoke overnight.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....54-57.
Max humidity........64-69 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph in the evening
                    becoming light.
Ridgetop wind.......Northwest winds 5 to 8 mph in the evening
                    becoming light.
Mixing height.......600 ft AGL in the evening.
Transport winds.....Northwest 6 to 12 mph becoming light.
Ventilation Index...Moderate (300) decreasing to low (30)
                    overnight.

.WEDNESDAY...

Sky/weather.........Sunny (0-5 percent). Patchy smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....89-92.
Min humidity........19-24 percent.
Wind (20 ft)........West winds 5 to 8 mph shifting to the northwest
                    late in the afternoon.
Ridgetop wind.......West winds 7 to 10 mph shifting to the northwest
                    late in the afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....West 5 to 12 mph.
Ventilation Index...Moderate (490) in the afternoon.

TIME (PDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............70     79     87     89     87     79
RH..............49     35     26     23     27     34
20 ft wind......W 5    W 7    W 8    W 8    NW 8   NW 7
20 ft wind gust.6      10     11     12     13     12

.WEDNESDAY NIGHT...
Light winds becoming northwest 5 to 8 mph late
                    in the afternoon.
Sky/weather.........Mostly clear (5-15 percent). Patchy smoke in
                    the evening and overnight.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....53-56.
Max humidity........73-78 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph becoming light.
Ridgetop wind.......Northwest winds 7 to 10 mph becoming light.
Mixing height.......800 ft AGL in the evening.
Transport winds.....Northwest 6 to 12 mph becoming light.
Ventilation Index...Moderate (310) decreasing to low (30)
                    overnight.

.THURSDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of lightning.2 percent.
Max temperature.....Around 90.
Min humidity........20-25 percent.
Wind (20 ft)........Light winds becoming northwest 5 to 8 mph late
                    in the afternoon.
Ridgetop wind.......Light winds becoming northwest 7 to 12 mph late
                    in the afternoon.
Mixing height.......8600 ft AGL early in the morning.
Transport winds.....Light winds becoming west 8 to 9 mph late in
                    the afternoon.
Ventilation Index...Low (30) increasing to moderate (270) in the
                    afternoon.

$$
Forecaster...Russell
Requested by...Kristen Marshall
Type of request...WILDFIRE
.TAG 2619346.2/PDT
.DELDT 08/11/26
.FormatterVersion 2.0.0
.EMAIL kristen.marshall@usda.gov