685
FNUS76 KPDT 031823
FWSPDT

Spot Forecast for Bologna...USFS
National Weather Service Pendleton OR
1123 AM PDT Thu Sep 3 2026

Forecast is based on forecast start time of 1230 PDT on September 03.
***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 low will continue to influence the region into the weekend
with occasional rounds of showers/accumulating rains (wetting
rain chances around 20 to 30% overnight).

.REST OF TODAY...


Sky/weather.........Cloudy (85-95 percent). Chance of rain showers
                    late in the afternoon. Rain showers likely late
                    in the afternoon.
CWR.................3 percent increasing to 29 percent late in the
                    afternoon.
Chance of lightning.8 percent.
Max temperature.....59-63.
Min humidity........39-44 percent.
Wind (20 ft)........Southwest winds 5 to 7 mph shifting to the west
                    around 5 mph early in the afternoon, then
                    becoming light late in the afternoon.
Ridgetop wind.......Southwest winds 7 to 9 mph shifting to the west
                    around 6 mph early in the afternoon, then
                    becoming light late in the afternoon.
Mixing height.......5000 ft AGL.
Transport winds.....Southwest 5 to 12 mph.
Ventilation Index...Moderate (430-470).

TIME (PDT)      NOON   2 PM   4 PM   6 PM   8 PM   10 PM
Chc of ltng (%).0      10     10     10     10     10
Temp............58     60     60     58     53     52
RH..............53     49     52     65     75     75
20 ft wind......SW 6   W 5    NE 4   SE 3   N 2    NW 2
20 ft wind gust.10     8      7      6      5      5

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent). Rain showers
                    likely in the evening, then chance of rain
                    showers late in the evening.
CWR.................29 percent decreasing to 2 percent late in the
                    evening.
Chance of lightning.8 percent.
Min temperature.....42-45.
Max humidity........77-88 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Light winds.
Mixing height.......600 ft AGL.
Transport winds.....South around 5 mph shifting to the west 5 to 6
                    mph early in the evening, then becoming light
                    early in the morning.
Ventilation Index...Low (30-50) increasing to low (40-50)
                    overnight.

.FRIDAY...

Sky/weather.........Mostly sunny (45-55 percent). Slight chance of
                    rain showers early in the morning. Slight
                    chance of thunderstorms late in the afternoon.
                    Chance of rain showers late in the afternoon.
CWR.................6 percent increasing to 20 percent late in the
                    afternoon.
Chance of lightning.16 percent.
Max temperature.....62-65.
Min humidity........39-44 percent.
Wind (20 ft)........Light winds early in the morning becoming south
                    5 to 7 mph, then shifting to the southwest
                    early in the afternoon becoming light. Gusty
                    and erratic winds expected near thunderstorms
                    late in the afternoon.
Ridgetop wind.......Light winds early in the morning becoming south
                    7 to 9 mph, then shifting to the southwest
                    early in the afternoon becoming light. Gusty
                    and erratic winds expected near thunderstorms
                    late in the afternoon.
Mixing height.......6000 ft AGL.
Transport winds.....Light winds becoming southwest 5 to 8 mph early
                    in the morning.
Ventilation Index...Low (40) increasing to moderate (350-360) in
                    the afternoon.

$$
Forecaster...Russell
Requested by...Kristen Marshall
Type of request...WILDFIRE
.TAG 2620625.8/PDT
.DELDT 09/03/26
.FormatterVersion 2.0.0
.EMAIL kristen.marshall@usda.gov,Jaimme.Noonchester@usda.gov