022  
FXUS65 KPUB 071112  
AFDPUB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PUEBLO CO  
512 AM MDT MON SEP 7 2026  
   
KEY MESSAGES  
 
- ANOTHER HOT DAY ON TAP TODAY, WITH SLIGHTLY BETTER CHANCES FOR  
SOME SHOWER AND THUNDERSTORM ACTIVITY.  
 
- BEST CHANCE FOR MORE WIDESPREAD CONVECTION WILL BE TUESDAY AND  
WEDNESDAY, WITH COOLING TEMPERATURES.  
 
- CONDITIONS DRY OUT FOR THURSDAY AND FRIDAY.  
 
 
   
SHORT TERM /THROUGH TONIGHT/  
 
ISSUED AT 1230 AM MDT MON SEP 7 2026  
 
UPPER TROUGH OF LOW PRESSURE CONTINUES OVER THE PACIFIC NW WITH THE  
LOW CENTER ROTATING ACROSS ID INTO WESTERN MT. MEANWHILE, THE UPPER  
RIDGE PERSISTS OVER THE SOUTH CENTRAL US. BROAD SOUTHWEST FLOW ALOFT  
ACROSS THE FOUR CORNERS AND CO REMAINS IN PLACE.  
 
CURRENTLY...A DECENT AMOUNT OF MID AND HIGH LEVEL CLOUDINESS ACROSS  
THE REGION TONIGHT UNDER SOUTHWEST FLOW, WITH SHOWER ACTIVITY  
CONTINUING ACROSS WESTERN CO. A MILD NIGHT IS EXPECTED, WITH LOW  
TEMPS DROPPING INTO THE 50S FOR THE HIGH VALLEYS AND 60S TO AROUND  
70F FOR THE PLAINS.  
 
TODAY AND TONIGHT...SOUTHWEST FLOW ACROSS THE FOUR CORNERS CONTINUES  
THROUGH THE DAY TODAY, WHILE THE UPPER LOW CENTER TO THE NORTH  
PUSHES ACROSS MT AND A SECONDARY LOW CENTER FORMS BACK OVER EASTERN  
WA. THIS WILL SET THE STAGE FOR EXPECTED WEATHER FOR TUE AND WED.  
FOR TODAY, MOISTURE STREAMING ACROSS CO WILL HAVE BETTER UPPER  
SUPPORT LEADING TO A BIT MORE SHOWER AND STORM ACTIVITY THROUGH THE  
AFTERNOON AND EVENING. SHOWER ACTIVITY CURRENTLY ACROSS WESTERN CO  
IS EXPECTED TO GRADUALLY PUSH EAST THIS MORNING, WITH ISOLATED  
SHOWERS ALONG THE CONTINENTAL DIVIDE TO START THE DAY. BY LATE  
MORNING, AS THE DAY RAPIDLY HEATS UP, THIS ACTIVITY WILL SPREAD EAST  
TO ALL OF THE HIGHER TERRAIN, THEN CROSS THE I-25 CORRIDOR AND PUSH  
INTO THE EASTERN PLAINS THROUGH THE AFTERNOON AND EVENING. SHOWER  
AND THUNDERSTORM ACTIVITY WILL BE COME MORE SCATTERED ALONG THE  
CONTINENTAL DIVIDE AND PIKES PEAK REGION THIS AFTERNOON, AND EVEN BE  
LIKELY AT TIMES, WITH THE MAIN STORM THREATS BEING GUSTY OUTFLOW  
WINDS TO 45 MPH AND CLOUD TO GROUND LIGHTNING. STORMS SHOULD BE  
MOVING AT A GOOD CLIP, SO FLASH FLOOD POTENTIAL IS LOWER, BUT GIVEN  
THE INCREASED COVERAGE, AREA BURN SCARS WILL NEED TO BE MONITORED.  
CONVECTION SHOULD DIMINISH FOR MOST AREAS BY MIDNIGHT. ANOTHER THING  
TO NOTE IS THAT SOUTHERLY SURFACE WINDS WILL BE ON THE INCREASE  
ACROSS THE EASTERN PLAINS THIS AFTERNOON, AND AT TIMES WILL GET  
SOMEWHAT GUSTY, IN THE 30 TO 40 MPH RANGE, CLOSER TO THE EASTERN  
BORDER THROUGH THE LATE AFTERNOON AND EVENING.  
 
AS FOR TEMPS TODAY, AT THE RISK OF SOUNDING LIKE A BROKEN RECORD,  
ANOTHER VERY HOT DAY WITH HIGHS IN THE 80S FOR THE HIGH VALLEYS, AND  
90S TO 100F FOR THE PLAINS. MINIMUM TEMPS TONIGHT INTO EARLY TUE  
MORNING WILL COOL INTO THE UPPER 40S TO LOWER 50S FOR THE HIGH  
VALLEYS, AND UPPER 50S TO UPPER 60S FOR THE PLAINS.  
 
 
   
LONG TERM /TUESDAY THROUGH SUNDAY/  
 
ISSUED AT 1230 AM MDT MON SEP 7 2026  
 
TUESDAY...UPPER RIDGE STARTS TO FLATTEN AND MIGRATE WEST BACK ACROSS  
THE DESERT SW, SHIFTING THE FLOW ALOFT TO A MORE WESTERLY DIRECTION.  
THIS OPENS THE DOOR FOR AN INITIAL WEAK COLD FRONT, FROM THE FIRST  
UPPER LOW CENTER MOVING ACROSS MT, TO DROP SOUTH AND REACH THE  
FORECAST AREA TUE MORNING. WHILE THIS FRONT SHOULD COOL MAX TEMPS BY  
ABOUT 3-4 DEGREES ACROSS THE PLAINS, FAVORABLE LLVL WIND FLOW WILL  
HELP SPARK MORE CONVECTION ACROSS THE HIGHER TERRAIN AND PLAINS,  
WITH A FOCUS ON THE EASTERN MTS AND I-25 CORRIDOR BY LATE AFTERNOON  
INTO THE EARLY EVENING. THE ASPEN ACRES AND 24 BURN SCARS WILL NEED  
TO BE MONITORED CLOSELY FOR POTENTIAL STRONGER STORM DEVELOPMENT  
SINCE STORM MOVEMENT WILL LIKELY BE SOMEWHAT SLOWER. PLAN ON HIGHS  
IN THE 80S FOR THE HIGH VALLEYS, AND MID 80S TO MID 90S FOR THE  
PLAINS.  
 
WEDNESDAY...FLAT UPPER RIDGE REMAINS ACROSS THE SOUTHERN US, WITH  
THE HIGH CENTER BUILDING BACK ACROSS NORTHERN AZ. AT THE SAME TIME,  
THE SECOND LOW CENTER TO THE NORTH PUSHING ALONG THE MT AND CANADA  
BORDER LATE TUE NIGHT WILL DROP A STRONGER COLD FRONT SOUTH INTO  
EASTERN CO. THIS WILL AID IN EVEN MORE COOLING ACROSS THE EASTERN  
PLAINS, AS WELL AS ANOTHER ROUND OF ENHANCED CONVECTIVE ACTIVITY  
THOUGH IT MAY BE SLIGHTLY DELAYED. INITIALLY, SHOWERS AND STORMS  
WILL LIKELY DEVELOP ALONG THE SOUTHERN BORDER AND IN THE VICINITY OF  
THE SOUTHERN SANGRES, TRINIDAD AND WALSENBURG IN THE AFTERNOON. AS  
THE SURFACE WINDS THEN SHIFT TO A MORE EAST TO SOUTHEAST DIRECTION,  
THEN ACTIVITY WILL DEVELOP NORTHWARD ACROSS ALL OF THE PLAINS AND  
ALONG THE I-25 CORRIDOR. THIS WILL BE ANOTHER DAY OF WATCHING AREA  
BURN SCARS FOR POTENTIAL FLOODING. EXPECT HIGH TEMPS IN THE 80S FOR  
MOST LOCATIONS.  
 
THURSDAY AND FRIDAY...BROAD UPPER RIDGE WILL REMAIN IN PLACE ACROSS  
THE DESERT SW TO END THE WORK WEEK, PROVIDING FOR ESSENTIALLY ZONAL  
FLOW ALOFT, A GRADUAL WARMING TREND AND VERY DRY CONDITIONS, WITH  
JUST ISOLATED CONVECTION FORECAST BOTH DAYS.  
 
SATURDAY AND SUNDAY...LONG RANGE MODELS SEEM TO AGREE ON SHIFTING  
THE UPPER HIGH TO THE EAST IN THE SOUTHEASTERN US OVER THE WEEKEND,  
ALLOWING ANOTHER STRONG LOW PRESSURE SYSTEM TO DROP DOWN OUT OF THE  
PACIFIC NW. THIS WILL BRING A COOLING TREND WITH BETTER CHANCES FOR  
WIDESPREAD MOISTURE, STARTING ON SATURDAY BUT MORESO FOR SUNDAY.  
MOORE  
 
 
   
AVIATION /12Z TAFS THROUGH 12Z TUESDAY/  
 
ISSUED AT 509 AM MDT MON SEP 7 2026  
 
KALS...VFR CONDITIONS THROUGH MUCH OF THE FORECAST PERIOD.  
SOUTHWEST WINDS NEAR 12 KTS ARE EXPECTED THIS AFTERNOON. MODEL  
GUIDANCE MOVES SHOWER ACTIVITY NORTHEAST ACROSS THE TERMINAL  
OVERNIGHT, WITH REDUCED CIGS POSSIBLE AFTER 08Z.  
 
KCOS AND KPUB...SOUTH TO SOUTHEAST WINDS WILL DEVELOP BY LATE  
MORNING TO EARLY AFTERNOON AT BOTH TERMINALS. SHOWERS AND  
THUNDERSTORMS ARE FORECAST TO DEVELOP BY MID TO LATE AFTERNOON  
POSSIBLY IMPACTING EACH TERMINAL WITH REDUCED CIGS AND GUSTY  
WINDS. THIS ACTIVITY SHOULD MOVE AWAY FROM THE TERMINALS BY  
EARLY EVENING.  
 
 
   
PUB WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
 
SHORT TERM...MOORE  
LONG TERM...MOORE  
AVIATION...MOZLEY  
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