179
FNUS76 KPDT 052055
FWSPDT

Spot Forecast for Bologna...USFS
National Weather Service Pendleton OR
1142 AM PDT Sat Sep 5 2026

Forecast is based on forecast start time of 1230 PDT on September 05.
***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...Chances of rain showers with an afternoon thunderstorm
possible through the rest of today and tomorrow. Highest chances for
thunderstorm development will be at peak heating times with gusty and
erratic winds developing near passing thunderstorms. Otherwise, winds
will be light and variable in nature. Overnight recoveries will be
excellent in the 70 to 80 percent range.

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent). Chance of rain
                    showers and slight chance of thunderstorms in
                    the afternoon.
CWR.................4 percent.
Chance of lightning.23 percent.
Max temperature.....62-67.
Min humidity........32-37 percent.
Wind (20 ft)........Northeast 3 to 8 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Ridgetop wind.......Northeast 5 to 10 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......6000 ft AGL.
Transport winds.....Southeast 5 to 10 mph shifting to the northeast
                    5 to 10 mph late in the afternoon.
Ventilation Index...Moderate (230-280).

TIME (PDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
Chc of ltng (%).20  20  20  20  20  10  10  10  0   0   0   0
Temp............58  60  62  63  64  64  62  60  58  55  54  54
RH..............59  53  49  46  46  46  50  58  63  66  66  66
20 FT wind dir..E   E   NE  N   NE  NE  N   N   N   N   NE  N
20 FT wind spd..5   5   5   4   4   4   3   3   3   3   4   4
20 FT wind gust.6   7   7   7   7   7   6   6   6   6   6   6

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent). Slight chance of
                    rain showers overnight. Rain showers likely
                    early in the morning.
CWR.................0 percent increasing to 32 percent early in the
                    morning.
Chance of lightning.9 percent.
Min temperature.....47-52.
Max humidity........75-80 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Light winds.
Mixing height.......500 ft AGL in the evening.
Transport winds.....Northeast 5 to 10 mph shifting to the northwest
                    5 to 10 mph early in the morning.
Ventilation Index...Low (140) decreasing to low (30) overnight.

.SUNDAY...

Sky/weather.........Cloudy (85-95 percent). Rain showers likely
                    through the day. Slight chance of thunderstorms
                    in the afternoon.
CWR.................32 percent decreasing to 14 percent late in the
                    morning.
Chance of lightning.20 percent.
Max temperature.....59-64.
Min humidity........57-62 percent.
Wind (20 ft)........Light winds becoming northwest 5 to 10 mph by
                    11 AM. Gusty and erratic winds expected near
                    thunderstorms in the afternoon.
Ridgetop wind.......Light winds becoming northwest 7 to 12 mph by
                    11 AM. Gusty and erratic winds expected near
                    thunderstorms in the afternoon.
Mixing height.......4000 ft AGL early in the morning.
Transport winds.....Northwest 5 to 10 mph.
Ventilation Index...Low (40) increasing to moderate (230) in the
                    afternoon.

$$
Forecaster...Day
Requested by...Kristen Marshall
Type of request...WILDFIRE
.TAG 2620625.10/PDT
.DELDT 09/05/26
.FormatterVersion 2.0.0
.EMAIL kristen.marshall@usda.gov,Jaimme.Noonchester@usda.gov