603  
FNUS76 KOTX 012302  
FWSOTX  
 
SPOT FORECAST FOR KELLER RIDGE...COLVILLE BIA  
NATIONAL WEATHER SERVICE SPOKANE WA  
402 PM PDT TUE APR 1 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON APRIL 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
WEDNESDAY AND THURSDAY WILL FEATURE A SLIGHT CHANCE OF AFTERNOON  
SHOWERS ALONG WITH SEASONABLY COOL TEMPERATURES. MILD HIGH PRESSURE  
WILL BUILD OVER THE PACIFIC NORTHWEST FRIDAY LEADING TO A WARMING  
AND DRYING TREND THROUGH THE WEEKEND WITH LIGHTER WINDS AND LOWER  
RELATIVE HUMIDITY. MILD TEMPERATURES WILL PERSIST INTO NEXT MONDAY  
AND TUESDAY WITH A SMALL CHANCE OF LIGHT RAIN AND BREEZY SOUTHWEST  
WINDS.  
 
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY SUNNY. 20 PERCENT CHANCE OF SHOWERS  
IN THE AFTERNOON.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MAX TEMPERATURE.....45.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH. AFTERNOON GUSTS  
TO AROUND 15 MPH.  
MIXING HEIGHT.......MORNING INVERSION WEAKENING AROUND 1100 PDT  
WITH MIXING HEIGHT AS HIGH AS 3500 FEET AGL  
BETWEEN 1300 AND 1700 PDT.  
TRANSPORT WINDS.....WEST 7 TO 10 MPH.  
 
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG. 20 PERCENT CHANCE  
OF SHOWERS THROUGH 2000 PDT.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MIN TEMPERATURE.....32.  
MAX HUMIDITY........87 TO 95 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 8 MPH WITH GUSTS TO AROUND 15  
MPH IN THE EVENING BECOMING LIGHT.  
MIXING HEIGHT.......4000 FT AGL FALLING TO 0 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 7 MPH SHIFTING TO THE NORTH AROUND  
9 MPH OVERNIGHT.  
 
   
THURSDAY  
 
SKY/WEATHER.........PARTLY CLOUDY. 15 PERCENT CHANCE OF SHOWERS IN  
THE AFTERNOON.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.2 PERCENT.  
MAX TEMPERATURE.....47.  
MIN HUMIDITY........40 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 7 TO 11 MPH. GUSTS UP TO 20 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......MORNING INVERSION WEAKENING AROUND 1100 PDT WITH  
MIXING HEIGHT AS HIGH AS 4000 FT AGL BETWEEN  
1300 AND 1700 PDT.  
TRANSPORT WINDS.....NORTH 13 TO 16 MPH.  
   
FORECAST DAYS 3 THROUGH 5  
   
FRIDAY  
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGH NEAR 50. EAST WIND 4 TO  
8 MPH IN THE MORNING BECOMING SOUTH 3 TO 6 MPH IN THE AFTERNOON.    
SATURDAY  
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGH NEAR 52. EAST WIND  
2 TO 5 MPH IN THE MORNING BECOMING SOUTH 4 TO 8 MPH IN THE  
AFTERNOON.   
SUNDAY  
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGH NEAR 52. SOUTHEAST  
WIND 4 TO 7 MPH IN THE MORNING BECOMING SOUTH 5 TO 9 MPH IN THE  
AFTERNOON.   
MONDAY AND TUESDAY  
 
PARTLY SUNNY. 20 PERCENT CHANCE OF LIGHT RAIN. CHANCE OF WETTING  
RAIN LESS THAN 10 PERCENT. HIGHS NEAR 50. SOUTHWEST WINDS 7 TO  
11 MPH WITH GUSTS TO 25 MPH.  
 
 
FORECASTER...GK  
REQUESTED BY...RON SALAS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2508598.0/OTX  
.DELDT 04/01/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DEBORAH.CAUDELL@BIA.COM  
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