188
FNUS76 KPDT 282110
FWSPDT

Spot Forecast for Hagen Fire...USFA
National Weather Service Pendleton OR
210 PM PDT Mon Sep 28 2026

Forecast is based on forecast start time of 0600 PDT on September 29.
***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...Elevated fire weather conditions with relative humidity
dropping down to 40 to 50 percent with breezy winds developing through
Tuesday. Winds will be calmer going through the overnight hours Tuesday
with excellent overnight recoveries. Modest improvements in the min RH
heading into Wednesday, reaching close to 45 to 55 percent.

.TUESDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....60-65.
Min humidity........42-47 percent.
Wind (20 ft)........West winds 7 to 12 mph. Gusts up to 25 mph late
                    in the afternoon.
Ridgetop wind.......West winds 10 to 20 mph. Gusts up to 30 mph late
                    in the afternoon.
Ventilation Index...Low (70-90) increasing to moderate to high
                    (500-520) 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............42  42  44  47  52  55  58  60  61  61  61  59
RH..............58  56  55  52  51  48  44  44  45  46  46  52
20 FT wind dir..W   SW  W   W   W   W   W   W   W   W   W   W
20 FT wind spd..6   6   7   7   7   7   8   10  10  10  10  7
20 FT wind gust.10  8   10  10  11  13  14  14  16  17  17  16

.TUESDAY NIGHT...

Sky/weather.........Partly cloudy (40-50 percent). Slight chance of
                    rain showers overnight.
CWR.................9 percent.
Chance of lightning.1 percent.
Min temperature.....47-52.
Max humidity........87-92 percent.
Wind (20 ft)........West winds 5 to 10 mph. Gusts up to 20 mph early
                    in the evening.
Ridgetop wind.......West winds 7 to 12 mph. Gusts up to 25 mph early
                    in the evening.
Ventilation Index...Low (160-170) decreasing to low (80-120)
                    overnight.

.WEDNESDAY...

Sky/weather.........Mostly cloudy (65-75 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....60-65.
Min humidity........50-55 percent.
Wind (20 ft)........West winds 5 to 10 mph shifting to the northwest
                    5 to 10 mph by 2 PM.
Ridgetop wind.......West winds 7 to 12 mph shifting to the northwest
                    7 to 12 mph by 2 PM.
Ventilation Index...Low (80-100) increasing to low to moderate
                    (200-220) in the afternoon.

$$
Forecaster...Day
Requested by...Steve Donnelly
Type of request...WILDFIRE
.TAG 2622698.0/PDT
.DELDT 09/28/26
.FormatterVersion 2.0.0
.EMAIL steven.donnelly@usda.gov