862  
FNUS76 KOTX 072155  
FWSOTX  
 
SPOT FORECAST FOR LIGHTNING CREEK WILDFIRE...USFS  
NATIONAL WEATHER SERVICE SPOKANE WA  
255 PM PDT THU AUG 7 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1900 PDT ON AUGUST 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
THUNDERSTORMS MAY CONTAIN GUSTY AND ERRATIC OUTFLOW WINDS UP TO  
30 MPH THIS EVENING. THERE IS STILL A 20% CHANCE FOR A STORM TO  
HIT THE FIRE BEFORE 2100. IF HIT BY A THUNDERSTORM, RAIN AMOUNTS  
COULD REACH UP TO 0.75". WINDS BECOME TERRAIN DRIVEN EXCEPT AT  
RIDGE TOPS. HUMIDITY RECOVERY TONIGHT WILL BE EXCELLENT. SHOWER  
CHANCES CONTINUE FRIDAY (10% CHANCE) BUT NOT EXPECTING THEM TO BE  
AS STRONG AS TODAY. TEMPERATURES WILL WARM INTO THE 80S BY SUNDAY  
AT THE FIRE.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. 20 PERCENT CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING BEFORE 2100.  
CWR.................15 PERCENT.  
CHANCE OF LIGHTNING.20 PERCENT.  
MIN TEMPERATURE.....46.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY WINDS 1 TO 4 MPH BELOW RIDGE  
TOPS. WEST WINDS 6 TO 12 MPH ON EXPOSED RIDGE TOPS.  
MIXING HEIGHT.......NEAR SURFACE.  
TRANSPORT WINDS.....WEST 6 TO 7 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. 10 PERCENT CHANCE OF SHOWERS  
FROM 0800-1600.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MAX TEMPERATURE.....66.  
MIN HUMIDITY........52 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 2 TO 4 MPH INCREASING TO 5 TO  
10 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......6500 FT AGL.  
TRANSPORT WINDS.....WEST 8 TO 16 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....52.  
MAX HUMIDITY........60 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING  
BECOMING LIGHT AND VARIABLE 1-3 MPH AROUND  
0100 HOURS.  
MIXING HEIGHT.......NEAR SURFACE.  
TRANSPORT WINDS.....WEST 5 TO 9 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT  
MAX TEMPERATURE.....72.  
MIN HUMIDITY........40 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 3 TO 6 MPH INCREASING TO 6 TO  
12 MPH IN THE AFTERNOON. WIND GUSTS UP TO 19  
MPH.  
MIXING HEIGHT.......6500 FT AGL.  
TRANSPORT WINDS.....WEST 9 TO 18 MPH.  
 

 
FORECASTER...DB  
REQUESTED BY...LIGHTNING CREEK OPS(T)  
TYPE OF REQUEST...WILDFIRE  
.TAG 2519276.1/OTX  
.DELDT 08/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NICHOLAS.MERSINGER@USDA.GOV  
 
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