Spot Forecast
Issued by NWS Pendleton, OR

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247
FNUS76 KPDT 200226
FWSPDT

Spot Forecast for Paradise Fire...USDA/Forest Service
National Weather Service Pendleton OR
726 PM PDT Sat Sep 19 2026

Forecast is based on forecast start time of 0600 PDT on September 19.
***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...Dry and warm conditions will persist over the fire
through the period. Min relative humidity will be mid to upper
40% with light winds switching to the NE after 1100. Overnight
recoveries will be in the upper 50% to low 60%. Winds will be
from the N switching to the southeast after 1800 and overnight.
Sunday will see relative humidity in the upper 30% to low 40%
with variable winds below
10 mph.

.TODAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....62-65.
Min humidity........44-49 percent.
Wind (20 ft)........Light winds becoming northwest 5 to 7 mph after
                    1100.
Ridgetop wind.......Variable winds 5 to 7 mph becoming northwest
                    after 1100.
Mixing height.......4000 ft AGL early in the morning.
Transport winds.....Light winds becoming north around 5 mph late in
                    the morning.
Ventilation Index...Low (30) increasing to low (140-170) in the
                    afternoon.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............47  47  51  54  59  61  61  62  62  62  63  62
RH..............67  67  61  56  52  49  50  51  52  50  50  50
20 FT wind dir..N   NE  NE  N   NW  NW  NW  NW  NW  NW  NW  N
20 FT wind spd..4   4   4   4   4   5   5   6   6   6   6   6
20 FT wind gust.        5   5   5   6   6   7   8   8   8   7

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....49-52.
Max humidity........57-62 percent.
Wind (20 ft)........North winds around 5 mph shifting to the
                    southeast 5 to 7 mph after 1800.
Ridgetop wind.......North winds around 7 mph shifting to the
                    southeast 7 to 9 mph after 1800.
Mixing height.......500 ft AGL in the evening and overnight.
Transport winds.....Northeast around 5 mph shifting to the
                    southeast 7 to 8 mph early in the evening.
Ventilation Index...Low (50) decreasing to low (30) overnight.

.SUNDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....69-72.
Min humidity........38-43 percent.
Wind (20 ft)........Southeast winds 5 to 7 mph around 0800
                    becoming light, then becoming southwest around
                    5 mph around 1400 shifting to the
                    northwest 5 to 7 mph shifting to the north
                    around 5 mph 1700.
Ridgetop wind.......Southeast winds 7 to 9 mph around 0800
                    becoming variable 5 to 7 mph, then becoming
                    southwest around 7 mph around 1400 shifting to the
                    northwest 7 to 9 mph then shifting to the north
                    around 8 mph 1700.
Mixing height.......5100 ft AGL early in the morning.
Transport winds.....Southeast 5 to 7 mph shifting to the southwest
                    around 5 mph late in the afternoon, then
                    shifting to the north around 6 mph late in the
                    afternoon.
Ventilation Index...Low (40-50) increasing to low (160-180) in the
                    afternoon.

$$
Forecaster...Bennese
Requested by...Derek Dietz
Type of request...WILDFIRE
.TAG 2622100.1/PDT
.DELDT 09/19/26
.FormatterVersion 2.0.0
.EMAIL derek.dietz@usda.gov