005  
FNUS75 KGJT 172038  
FWSGJT  
 
SPOT FORECAST FOR TEN MILE CANYON ARCHEOLOGY PROTECTION...UTAH FORESTRY, FIRE & STATE LANDS  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
238 PM MDT THU APR 17 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0500 MDT ON APRIL 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
INSTABILITY BENEATH A LOW PRESSURE TROUGH OVER THE  
AREA WILL KEEP SHOWERS GOING ON FRIDAY. BETTER CHANCES COME IN  
THE AFTERNOON AS INSTABILITY IS MAXIMIZED WITH DAYTIME HEATING.  
THIS ACTIVITY WILL BE SCATTERED AND DISORGANIZED IN NATURE AND  
THEREFORE DIFFICULT TO ASSESS TIMING AND INTENSITY OF SHOWERS AT  
THE PROJECT SITE. WHAT CAN BE SAID IS THAT IT IS UNLIKELY THE SITE  
WILL SEE ANY MORE THAN 0.10" OF LIQUID.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). A 35 PERCENT  
CHANCE OF SHOWERS IN THE MORNING, INCREASING  
TO 50 PERCENT IN THE AFTERNOON. RAIN MIXED  
WITH SNOW IN THE MORNING. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....50-55.  
MIN HUMIDITY........24-29 PERCENT.  
SURFACE WINDS.......DOWN CANYON 3 TO 8 MPH IN THE MORNING,  
BECOMING NORTHWEST AND INCREASING TO 10 TO 15  
MPH IN THE AFTERNOON WITH OCCASIONAL GUSTS AS  
HIGH AS 25 MPH. GUSTY, STRONG AND  
UNPREDICTABLE WINDS IN THE VICINITY OF  
THUNDERSTORMS.  
CWR.................10 PERCENT.  
 

 
 
FORECASTER...NORV LARSON  
REQUESTED BY...TONY MANCUSO, COLORADO RIVER PROGRAM MANAGER  
TYPE OF REQUEST...OTHER  
.TAG 2510895.0/GJT  
.DELDT 04/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL TMANCUSO@UTAH.GOV  
 
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