026  
FNUS76 KPDT 170319  
FWSPDT  
 
SPOT FORECAST FOR BADGER BUTTE...WSA  
NATIONAL WEATHER SERVICE PENDLETON OR  
819 PM PDT THU JUL 16 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0500 PDT ON JULY 17.  
***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  
HIGH PRESSURE STRENGTHENS TO PROVIDE CLEAR SKIES, AND A WARMING AND  
DRYING TREND THROUGH SATURDAY. DIURNALLY BREEZY WEST WINDS WILL  
INCREASE THROUGH THE LATE MORNING AND EARLY AFTERNOON BOTH DAYS,  
PEAKING BETWEEN 1600-1900. INVERSION SETS UP AROUND 2300 AND  
BREAKS AROUND 0900 FRIDAY. INVERSION RE-ESTABILISHES AROUND 2100  
AND BREAKS AROUND 1030 SATURDAY.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....43-46.  
MAX HUMIDITY........81-86 PERCENT.  
WIND (20 FT)........WEST WINDS 10 TO 15 MPH BECOMING 4 TO 8 MPH  
OVERNIGHT.  
RIDGETOP WIND.......WEST WINDS 12 TO 17 MPH BECOMING 5 TO 10  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......450 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
VENTILATION INDEX...LOW (70).  
 
TIME (PDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM  
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............44 43 46 49 53 59 62 65 67 68 68 69  
RH..............79 77 70 61 52 45 40 38 37 37 37 39  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..8 10 9 8 8 10 10 13 14 15 17 19  
20 FT WIND GUST.14 15 14 12 12 14 14 16 19 20 22 25  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....69-72.  
MIN HUMIDITY........32-37 PERCENT.  
WIND (20 FT)........WEST WINDS 8 TO 16 MPH, PEAKING AFTER 1300.  
RIDGETOP WIND.......WEST WINDS 10 TO 18 MPH, PEAKING AFTER 1300.  
MIXING HEIGHT.......3100 FT AGL EARLY IN THE MORNING.  
TRANSPORT WINDS.....WEST 8 TO 17 MPH.  
VENTILATION INDEX...LOW (70) INCREASING TO MODERATE (330) IN THE  
AFTERNOON.  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....46-49.  
MAX HUMIDITY........71-76 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 12 MPH.  
RIDGETOP WIND.......WEST WINDS 7 TO 15 MPH.  
MIXING HEIGHT.......700 FT AGL IN THE EVENING THEN 500 FT AGL EARLY  
IN THE MORNING.  
TRANSPORT WINDS.....WEST 9 TO 17 MPH.  
VENTILATION INDEX...MODERATE (230) DECREASING TO LOW (40)  
OVERNIGHT.  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....71-74.  
MIN HUMIDITY........30-35 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 12 MPH.  
RIDGETOP WIND.......WEST WINDS 7 TO 14 MPH.  
MIXING HEIGHT.......4700 FT AGL.  
TRANSPORT WINDS.....WEST 9 TO 17 MPH.  
VENTILATION INDEX...LOW (60) INCREASING TO MODERATE (410) IN THE  
AFTERNOON.  
 
 
FORECASTER...CALLIHAN  
REQUESTED BY...PATTISON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2617528.0/PDT  
.DELDT 07/16/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CHARLES.HUDSON@CTWSBNR.ORG  
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