FNUS76 KPDT 231923
FWSPDT

Spot Forecast for DMPRC...DOW - JBLM:YTC
National Weather Service Pendleton OR
1223 PM PDT Sun Aug 23 2026

Forecast is based on forecast start time of 1800 PDT on August 23. 
***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 to windy northwest winds are forecast this evening
into the early overnight hours. Winds are anticipated to slacken
after midnight, with fair to good RH recovery. Lighter northeast winds
are then expected Monday.

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent). Patchy smoke. 
Chance of pcpn......0 percent. 
Chance of lightning.0 percent. 
Min temperature.....56-59. 
Max humidity........61-66 percent. 
Surface winds (mph).Northwest winds 15-20 mph with gusts of 20-30 mph
                    late evening, becoming northwest 5-9 mph early
                    morning. 
Mixing height.......Decreasing to 500-900 ft AGL overnight. 
Transport winds.....Northwest 12-17 mph, becoming northwest to north
                    5-8 mph early morning. 

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0   
Temp............72  69  65  63  62  61  61  59  59  58  57  57  
RH..............38  44  51  56  58  59  60  63  63  64  66  66  
Surface wnd dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  N   
Surface wnd spd.21  20  18  19  18  16  12  10  9   7   6   5   
Surface wnd gst.28  27  25  25  23  21  18                

.MONDAY...

Sky/weather.........Sunny (5-15 percent). Patchy smoke. 
Chance of pcpn......0 percent. 
Chance of lightning.0 percent. 
Max temperature.....81-84. 
Min humidity........21-26 percent. 
Surface winds (mph).Light winds becoming northeast to east 5-10 mph
                    late morning and early afternoon. 
Mixing height.......Increasing to 5000-5500 ft AGL by afternoon. 
Transport winds.....North to northeast 4-6 mph shifting to the east
                    6-8 mph late in the morning. 

$$
Forecaster...Plunkett
Requested by...Jeremy Johnson
Type of request...OTHER
.TAG 2620318.0/PDT
.DELDT 08/23/26
.FormatterVersion 2.0.0
.EMAIL jeremy.d.johnson151.civ@army.mil,shayne.c.foster.civ@army.mil