217  
FNUS76 KOTX 151403  
FWSOTX  
 
SPOT FORECAST FOR ZUNI...IDCDC  
NATIONAL WEATHER SERVICE SPOKANE WA  
703 AM PDT SAT AUG 15 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON AUGUST 15.  
   
DISCUSSION
 
 
TEMPERATURES WILL WARM THROUGH THE WEEKEND UNDER PARTLY TO MOSTLY  
SUNNY SKIES. A SLIGHT CHANCE FOR SHOWERS AND THUNDERSTORMS WILL  
BE FOUND THROUGH THE LATE AFTERNOON AND EARLY EVENING TODAY,  
BEFORE DWINDLING TONIGHT INTO SUNDAY. WINDS WILL BE LIGHT AND  
DIURNALLY DRIVEN WITH EAST TO SOUTHEAST WINDS IN THE EARLY MORNING  
TURNING SOUTHWEST BY AFTERNOON. OUTFLOW WINDS FROM THUNDERSTORMS  
NEARBY COULD CREATE ERRATIC AND GUSTY WINDS.  
 
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
***************************************************************  
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE  
10 MINUTE AVERAGES REFLECTING RAWS WIND.  
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND  
MULTIPLIED BY THE MIXING HEIGHT DIVIDED BY 100.  
CATEGORIES: LOW (< 200), MODERATE (200-500),  
HIGH (500-800), AND VERY HIGH (> 800).  
***************************************************************  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE. 10 PERCENT CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.10 PERCENT IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........41-45 PERCENT.  
WIND (20 FT)........EAST WINDS 2-5 MPH IN THE EARLY MORNING  
SHIFTING SOUTHWEST WITH SIMILAR SPEEDS AFTER  
1000. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......INVERSION LIFTING AROUND 0830. MIXING HEIGHT  
INCREASING TO 6500 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST 2-5 MPH IN THE EARLY MORNING  
SHIFTING TO THE WEST-SOUTHWEST 7-10 MPH AFTER  
1000.  
VENTILATION INDEX...MODERATE (337).  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE.  
15 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING DECREASING TO LESS THAN 5  
PERCENT OVERNIGHT.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.15 PERCENT IN THE EVENING DECREASING TO LESS  
THAN 5 PERCENT OVERNIGHT.  
MIN TEMPERATURE.....AROUND 52.  
MAX HUMIDITY........59-64 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 2-5 MPH IN THE EARLY EVENING  
BECOMING SOUTHEAST WITH SIMILAR SPEEDS AFTER  
2000. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE EVENING.  
MIXING HEIGHT.......FALLING TO 500 FT AGL AROUND 2000.  
TRANSPORT WINDS.....WEST 3-6 MPH IN THE EVENING BECOMING SOUTHEAST  
WITH SIMILAR SPEEDS AFTER 2000.  
VENTILATION INDEX...MODERATE (234) DECREASING TO LOW (20)  
OVERNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. PATCHY SMOKE.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........40-44 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 2-5 MPH IN THE EARLY MORNING  
SHIFTING SOUTHWEST WITH SIMILAR SPEEDS AFTER  
0900.  
MIXING HEIGHT.......INVERSION LIFTING AROUND 0800. MIXING HEIGHT  
INCREASING TO 7500 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....WEST 10-14 MPH.  
VENTILATION INDEX...MODERATE (264) INCREASING TO HIGH (771) IN THE  
AFTERNOON.  
 

 
FORECASTER...RFKS  
REQUESTED BY...SAMUEL LYNCH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2619727.0/OTX  
.DELDT 08/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL IDCDC@FIRENET.GOV,SAMUEL.LYNCH@GMAIL.COM  
 
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