016
FNUS76 KPDT 280111
FWSPDT

Spot Forecast for Mud Fire...OSFM
National Weather Service Pendleton OR
611 PM PDT Sat Jun 27 2026

Forecast is based on forecast start time of 1800 PDT on June 27.
***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...Breezy west to southwest winds will continue this evening,
becoming somewhat lighter, but still gusty overnight. Good RH recovery
is forecast tonight. Warm afternoon temperatures and breezy southwest to
west-southwest winds are forecast Sunday. Winds are expected to be strongest
late afternoon and early evening.

.TONIGHT...

Sky/weather.........Partly to mostly cloudy (40-70 percent). Slight
                    chance (15 percent) of rain showers.
CWR.................1 percent.
Chance of lightning.5 percent.
Min temperature.....51-54.
Max humidity........69-74 percent.
Wind (20 ft)........West to southwest winds 12-17 mph with gusts
                    of 24-29 mph in the evening, becoming 8-12
                    mph with gusts of 17-22 mph overnight.
Ridgetop wind.......West to southwest winds 12-17 mph with gusts
                    of 24-29 mph in the evening, becoming 8-12
                    mph with gusts of 17-22 mph overnight.
Mixing height.......Decreasing to 400-700 ft AGL overnight.
Transport winds.....Southwest 15-20 mph.
Ventilation Index...High (610) decreasing to low (100) overnight.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Chc of ltng (%).1   5   5   5   5   5   5   1   1   0   0   0
Temp............71  70  68  62  60  58  58  56  56  54  53  53
RH..............34  40  46  54  59  62  67  70  73  73  73  72
20 FT wind dir..W   W   W   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..15  15  14  14  14  12  12  12  12  12  12  12
20 FT wind gust.25  25  25  25  25  20  20  20  20  19  18  18

.SUNDAY...

Sky/weather.........Mostly cloudy (75-85 percent) then becoming
                    mostly sunny (40-50 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....74-77.
Min humidity........33-38 percent.
Wind (20 ft)........Southwest to west-southwest winds 12-17 mph with
                    gusts of 21-26 mph in the morning, increasing to
                    17-23 mph with gusts of 25-35 mph in the afternoon.
Ridgetop wind.......Southwest to west-southwest winds 12-17 mph with
                    gusts of 21-26 mph in the morning, increasing to
                    17-23 mph with gusts of 25-35 mph in the afternoon.
Mixing height.......Increasing to 5500-6000 ft AGL by late morning.
Transport winds.....West 15-20 mph in the morning, increasing to 20-25 mph
                    in the afternoon.
Ventilation Index...Moderate (300) increasing to very high (1040)
                    in the afternoon.

$$
Forecaster...Plunkett
Requested by...Michial Renault
Type of request...WILDFIRE
.TAG 2616342.0/PDT
.DELDT 06/27/26
.FormatterVersion 2.0.0
.EMAIL michial.renault@osfm.oregon.gov