138
FNUS76 KPDT 160159
FWSPDT

Spot Forecast for Lower Dry Creek...ODF
National Weather Service Pendleton OR
659 PM PDT Wed Jul 15 2026

Forecast is based on forecast start time of 1900 PDT on July 15.
***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.

...RED FLAG WARNING IN EFFECT UNTIL 5 AM PDT THURSDAY...
...HEAT ADVISORY IN EFFECT UNTIL 9 PM PDT THURSDAY...

.DISCUSSION...A threat of showers and thunderstorms this evening,
with best chances after 2300 and extending overnight until 0800 on
Thursday. Storms are approaching from the southwest, which will
shift winds from the north to the northeast by 2000 and from the
southeast around 2100. South winds will persist and shift out of
the northwest by 1100 Thursday. Gusty and erratic winds in and
around thunderstorms, with outflow winds of 40 mph possible.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (15-25 percent). 10-15 percent
                    chance of showers and thunderstorms, primarily
                    after 2300.
CWR.................0 percent.
Chance of lightning.15 percent.
Min temperature.....64-67.
Max humidity........51-56 percent.
Wind (20 ft)........Northeast winds 6 to 11 mph shifting to the
                    south 5 to 10 mph in the late evening and
                    overnight, then shifting to the southwest 5 to
                    8 mph after 3 am. Gusty and erratic winds
                    expected near thunderstorms late in the
                    evening.
Mixing height.......500 ft AGL.
Transport winds.....East 10 to 12 mph shifting to the south 9 to 10 mph
                    overnight.
Ventilation Index...Moderate (350) decreasing to low (40) overnight.

TIME (PDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
Chc of ltng (%).10  10  10  10  20  20  20  20  20  20  20  20
Temp............98  94  82  77  76  75  74  71  70  68  65  67
RH..............19  23  32  38  38  39  40  42  45  49  53  54
20 FT wind dir..NE  NE  S   SE  S   SE  S   S   S   SW  S   S
20 FT wind spd..11  11  10  10  10  8   8   8   8   8   8   8
20 FT wind gust.13  12  11

.THURSDAY...

Sky/weather.........Sunny (10-20 percent). 10-15 percent chance
                    of showers and thunderstorms before 0800.
CWR.................0 percent.
Chance of lightning.15 percent.
Max temperature.....Around 100.
Min humidity........24-29 percent.
Wind (20 ft)........South winds 5 to 8 mph shifting to the
                    northwest 5 to 12 mph late morning. Gusty
                    and erratic winds expected near thunderstorms
                    early in the morning.
Mixing height.......4800 ft AGL.
Transport winds.....Southwest 8 to 9 mph shifting to the west 9 to
                    13 mph late in the afternoon.
Ventilation Index...Low (100) increasing to moderate (290) in the
                    afternoon.

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Chance of lightning.8 percent.
Min temperature.....61-64.
Max humidity........51-56 percent.
Wind (20 ft)........Southwest winds 10 to 17 mph after 2000.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 13 to 20 mph shifting to the south 12
                    to 14 mph overnight.
Ventilation Index...Moderate (390) decreasing to low (70)
                    overnight.

$$
Forecaster...Callihan
Requested by...Greg Melhorn
Type of request...WILDFIRE
.TAG 2617436.1/PDT
.DELDT 07/15/26
.FormatterVersion 2.0.0
.EMAIL greg.g.melhorn@odf.oregon.gov