383  
FNUS75 KBOI 101936  
FWSBOI  
 
SPOT FORECAST FOR THREE MILE CREEK RX...USWFS-ID-TFU  
NATIONAL WEATHER SERVICE BOISE ID  
136 PM MDT SUN MAY 10 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1430 MDT ON MAY 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (208)334-9060, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
..DRY COLD FRONT OVERNIGHT. BECOMING WINDY MONDAY  
 
   
DISCUSSION  
 
WARM, DRY WEATHER WITH SOUTH OR SOUTHEAST WIND THIS AFTERNOON.  
DRY COLD FRONT WILL PASS THROUGH THE FIRE AREA BETWEEN 3 AM AND  
6 AM MDT MONDAY. PRE-FRONTAL EAST WIND WILL KEEP NIGHTTIME TEMPS  
WARMER THAN LAST NIGHT ALONG WITH LESS HUMIDITY RECOVERY. WIND  
WILL SHIFT TO WEST AS THE FRONT PASSES, WITH SPEED STEADILY  
INCREASING MONDAY TO MAXIMUM GUSTS NEAR 25 MPH BETWEEN 2 PM AND  
6 PM MDT MONDAY AFTERNOON. LITTLE IF ANY POST-FRONTAL COOLING  
UNTIL MONDAY NIGHT, WHICH WILL END UP COOLER THAN TONIGHT.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75 TO 80.  
MIN HUMIDITY........11 TO 16 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......SOUTH AROUND 8 MPH.  
MIXING HEIGHT.......7000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
VENTILATION INDEX...700 EXCELLENT.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....42 TO 47.  
MAX HUMIDITY........52 TO 57 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......EAST 4 TO 7 MPH.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
VENTILATION INDEX...10 POOR.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....77 TO 82.  
MIN HUMIDITY........18 TO 23 PERCENT.  
CWR.................0 PERCENT.  
WIND - 20 FOOT......WEST 9 TO 15 MPH. GUSTS UP TO 14 MPH IN THE  
MORNING INCREASING TO 26 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......8000 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
VENTILATION INDEX...1600 EXCELLENT.  
 
 
FORECASTER...COLIN  
REQUESTED BY...JESSE GOODWIN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613096.1/BOI  
.DELDT 05/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JJGOODWIN@BLM.GOV  
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