370
FNUS76 KPDT 191219
FWSPDT

Spot Forecast for Paradise Fire...USDA/Forest Service
National Weather Service Pendleton OR
519 AM 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...Minimum RH`s drop to 35 to 45 percent over the forecast period
with light and variable winds prevailing. Winds will generally be from the
northwest before shifting to the southeast overnight. Otherwise, fair to
good overnight recoveries with humidity ranges from 55 to 65 percent.

.TODAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....64-69.
Min humidity........45-50 percent.
Wind (20 ft)........Light winds becoming northwest 5 to 10 mph by 10 AM.
Ridgetop wind.......Light winds becoming northwest 7 to 12 mph by 10 AM.
Mixing height.......3800 ft AGL early in the morning.
Transport winds.....Light winds becoming north 5 to 10 mph late in
                    the morning.
Ventilation Index...Low (30) increasing to low (170-180) 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  58  61  62  63  63  63  63  62
RH..............67  67  62  56  52  49  50  51  53  52  52  54
20 FT wind dir..N   NE  N   NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..4   4   4   4   4   5   5   6   6   6   6   6
20 FT wind gust.        5       5   6   6   7   8   8   7   7

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....45-50.
Max humidity........60-65 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph then becoming southeast
                    at 3 to 8 mph by 7 PM.
Ridgetop wind.......Northwest winds 7 to 12 mph then becoming southeast
                    at 5 to 10 mph by 7 PM.
Mixing height.......500 ft AGL in the evening.
Transport winds.....North 5 to 10 mph shifting to the southeast 5
                    to 10 mph early in the evening.
Ventilation Index...Low (50) decreasing to low (30) overnight.

.SUNDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....70-75.
Min humidity........35-40 percent.
Wind (20 ft)........Southeast winds 5 to 10 mph the shifting to the
                    northwest 3 to 8 mph by 1 PM.
Ridgetop wind.......Southeast winds 7 to 12 mph the shifting to the
                    northwest 5 to 10 mph by 1 PM.
Mixing height.......5100 ft AGL early in the morning.
Transport winds.....South 5 to 10 mph shifting to the northwest
                    5 to 10 mph late in the afternoon.
Ventilation Index...Low (50) increasing to moderate (240-250) in
                    the afternoon.

$$
Forecaster...Day
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