395  
FXUS65 KGJT 011750  
AFDGJT  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
1150 AM MDT THU OCT 1 2026  
   
KEY MESSAGES
 
 
- HIGH PRESSURE BUILDS INTO THE REGION AND TEMPERATURES TREND  
UPWARD TO ABOUT FIVE DEGREES ABOVE NORMAL OVER THE COMING  
DAYS.  
 
- QUIET WEATHER CONDITIONS RETURN THROUGH THE WEEKEND.  
 
- MODELS HINT AT THE POSSIBILITY OF MORE TROPICAL MOISTURE  
BRINGING SHOWERS TO THE REGION EARLY NEXT WEEK.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1147 AM MDT THU OCT 1 2026  
 
WITH HIGH PRESSURE BUILDING IN FROM THE WEST, WE'LL SEE A PATTERN  
SHIFT WITH MUCH DRIER WEATHER THAN WE'VE HAD FOR THE LAST FEW WEEKS.  
HERE'S THE BOTTOM LINE UP FRONT FOR THE HAY FARMERS AND RANCHERS,  
NOW IS PROBABLY THE BEST TIME FOR THE LAST HAY CUTTING. DAYS ARE  
GETTING SHORTER, TEMPERATURES ARE GETTING COOLER, AND THE FALL IS  
NOT KNOWN FOR LONG DRY SPELLS. THAT BEING SAID, DAYTIME HIGH  
TEMPERATURES LOOK TO RUN ABOUT FIVE DEGREES ABOVE NORMAL UNDER  
MOSTLY SUNNY SKIES WITH AFTERNOON RELATIVE HUMIDITY RUNNING 25% IN  
THE LOWER VALLEYS TO 35% IN THE HIGHER VALLEYS AND OVER THE HIGHER  
TERRAIN. WITH THE MOISTURE IN THE GROUND, WILL LIKELY SEE DEW EACH  
MORNING. A DISTURBANCE EARLY NEXT WEEK AND A SECOND LATER IN THE  
WEEK BRING CHANCES FOR SHOWERS MOSTLY TO THE SOUTHERN MOUNTAINS, BUT  
THE HIGHER VALLEYS COULD SEE A SLIGHT CHANCE FOR LIGHT SHOWERS UP  
NORTH ALONG THE I-70 CORRIDOR.  
 
NOW FOR THE SYNOPTIC VIEW, HIGH PRESSURE BUILDING IN TO THE FOUR  
CORNERS AREA WILL PULL MONSOONAL MOISTURE NORTH INTO THE GREAT BASIN  
THROUGH THE WEEKEND. WITH THE RESIDUAL MOISTURE IN THE AREA, THERE  
IS A SLIGHT CHANCE FOR A SHOWER OR THUNDERSTORMS OVER THE SAN JUANS  
SUNDAY AND MONDAY AFTERNOON. MODELS ARE IN GOOD AGREEMENT WITH A  
SHORTWAVE SYSTEM MOVING IN OFF THE PACIFIC MONDAY THAT WILL PICK UP  
THE MOISTURE IN THE GREAT BASIN BRINGING 22-35% CHANCES FOR SHOWERS  
AND THUNDERSTORMS TO THE COLORADO MOUNTAINS TUESDAY. MODELS ARE  
HINTING THAT THIS PATTERN WILL REPEAT AGAIN NEXT WEEKEND WITH  
ANOTHER SHORTWAVE MOVING IN OFF THE PACIFIC, BUT IT IS A LONG WAYS  
OUT AND THERE IS LESS AGREEMENT ON THE TIMING AND TRACK. FOR THE  
MOST PART, THE WEATHER LOOKS TO BE PRETTY NICE FOR THE NEXT WEEK OR  
SO, SO GET OUT AND ENJOY IT ALONG WITH THE FALL COLORS.  
 

 
   
AVIATION /18Z TAFS THROUGH 18Z FRIDAY/
 
 
ISSUED AT 1147 AM MDT THU OCT 1 2026  
 
LOW CLOUDS AND FOG MAY DEVELOP AGAIN OVERNIGHT INTO TOMORROW MORNING  
IN MOUNTAIN VALLEY SITES SUCH AS KDRO AND KGUC BUT CONFIDENCE IS  
LOW. OTHERWISE, VFR CONDITIONS WILL PREVAIL OVER THE NEXT 24  
HOURS.  
 

 
   
GJT WATCHES/WARNINGS/ADVISORIES
 
 
CO...NONE.  
UT...NONE.  
 

 
 

 
 
DISCUSSION...DB  
AVIATION...RJ/TGJT  
 
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