494  
FXUS65 KPUB 141721  
AFDPUB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PUEBLO CO  
1121 AM MDT SUN SEP 14 2025  
   
KEY MESSAGES  
 
- A DRYING AND WARMING TREND WILL SET IN AS WE MOVE TOWARDS THE  
START OF THE WEEK.  
 
- COLD OVERNIGHT TEMPERATURES MAY BRING FROST TO THE SAN LUIS  
VALLEY, BOTH EARLY THIS MORNING AND OVERNIGHT TONIGHT.  
 
- ANOTHER COOL DOWN AND MORE CHANCES FOR SHOWERS AND  
THUNDERSTORMS ARRIVING MID-WEEK.  
 
 
   
SHORT TERM /THROUGH MONDAY/  
 
ISSUED AT 312 AM MDT SUN SEP 14 2025  
 
TODAY AND TONIGHT...  
 
WITH THE UPPER-LEVEL TROUGH AXIS NOW MOVING PAST TO OUR EAST, TODAY  
SHOULD BE A GENERALLY QUIET DAY ACROSS SE COLORADO, AFTER A COOL AND  
POTENTIALLY FROSTY START TO THE MORNING IN THE SAN LUIS VALLEY.  
TEMPERATURES WILL BE A FEW DEGREES COOLER THAN YESTERDAY, WITH 70S  
TO NEAR-80 OVER THE PLAINS AND HIGH-60S FOR THE VALLEYS. MEANWHILE,  
MOSTLY SUNNY SKIES WILL REMAIN IN PLACE ALONG WITH MOSTLY DRY  
CONDITIONS. ONLY CHANCE FOR PRECIPITATION WILL BE FOR A FEW  
LINGERING SHOWERS OVER AND NEAR THE PALMER DIVIDE, LATE THIS MORNING  
AND INTO MIDDAY. ANY PRECIPITATION IS EXPECTED TO LARGELY DWINDLE  
THROUGH THE AFTERNOON. COOL AGAIN TONIGHT, WITH 40S-50S OUT EAST AND  
30S ACROSS THE HIGH VALLEYS. MAY SEE ANOTHER CHANCE OF FROST OVER  
PORTIONS OF THE SLV AGAIN.  
 
MONDAY...  
 
TEMPERATURES SHOULD NOTICEABLY WARM ON MONDAY, AS DRY WESTERLY FLOW  
SETTLES IN OVER THE REGION WITH COLORADO SITTING BETWEEN UPPER-LEVEL  
SYSTEMS. HIGH TEMPS OVER THE PLAINS WILL RANGE FROM THE 80S TO NEAR-  
90, WHILE THE VALLEYS CLIMB INTO THE 70S. THE AREA IS EXPECTED TO  
REMAIN DRY AND GENERALLY FREE OF ANY PRECIPITATION, WITH DWINDLING  
LOW-LEVEL MOISTURE.  
 
 
   
LONG TERM /MONDAY NIGHT THROUGH SATURDAY/  
 
ISSUED AT 312 AM MDT SUN SEP 14 2025  
 
MONDAY NIGHT THROUGH WEDNESDAY.  
 
NEAR TO SLIGHTLY WARMER THAN NORMAL TEMPERATURES ARE EXPECTED  
OVERNIGHT MONDAY INTO TUESDAY MORNING, WITH LOWS DIPPING DOWN INTO  
THE 30S OVER THE SAN LUIS VALLEY, AND 50S OVER THE PLAINS. A MESSY-  
TROUGHS PATTERN IS EXPECTED FOR TUESDAY AND WEDNESDAY.  
SOUTHWEST FLOW ALOFT AHEAD OF THE TROUGH ON TUESDAY WILL MEAN  
NEAR NORMAL TEMPERATURES AND THE RETURN OF ISOLATED TO SCATTERED  
SHOWERS AND THUNDERSTORMS OVER AND NEAR THE HIGHER TERRAIN.  
HIGHS IN THE 80S ARE EXPECTED OVER THE PLAINS, WITH TEMPERATURES  
CLIMBING INTO THE 70S FOR OUR MOUNTAIN VALLEYS. A COLD FRONT  
LOOKS TO PASS THROUGH SOMETIME LATE TUESDAY INTO WEDNESDAY  
MORNING, WITH GENERAL TROUGHINESS AND NORTHWEST FLOW ALOFT  
REMAINING OVER THE REGION THROUGHOUT THE DAY ON WEDNESDAY. THIS  
WILL MEAN BELOW NORMAL HIGHS FOR MOST OF US, ALONG WITH  
CONTINUED CHANCES FOR SHOWERS AND THUNDERSTORMS.  
 
THURSDAY ONWARDS..  
 
FORECAST CONFIDENCE IS NOT HIGH THROUGH THIS PERIOD, AS WE'LL BE ON  
THE EASTERN PERIPHERY OF A RIDGE BUILDING OVER THE WESTERN CONUS,  
WITH A LOW DIVING SOUTH ACROSS THE NORTHERN PLAINS. SOME MODEL  
SOLUTIONS KEEP US MORE UNDER THE INFLUENCE OF THE BUILDING RIDGE,  
WITH NEAR NORMAL HIGHS AND MAINLY DRY CONDITIONS FOR AT LEAST  
THURSDAY AND FRIDAY. OTHERS BRING THE LOW AS FAR SOUTH AND WEST AS  
THE COLORADO/KANSAS BORDER BY FRIDAY, WHICH WOULD LIKELY INCREASE  
PRECIP CHANCES AND KEEP OUR TEMPERATURES COOLER THAN NORMAL. MOST  
SOLUTIONS DO EJECT THE NORTHERN PLAINS LOW OUT TO OUR EAST BY AROUND  
THE SATURDAY TIMEFRAME, PUTTING US UNDER THE INFLUENCE OF THE RIDGE  
NEXT WEEKEND.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z MONDAY/  
 
ISSUED AT 1117 AM MDT SUN SEP 14 2025  
 
VFR CONDITIONS ARE ANTICIPATED DURING THE NEXT 24 HOURS AT ALL 3  
TAF SITES, KPUB, KALS, AND KCOS. WINDS WILL BE QUITE LIGHT AND  
DIURNALLY DRIVEN. THE ONLY CONCERN I SEE IS WE MAY HAVE SOME  
GROUND FOG AROUND SUNRISE AT KALS AS RADIATIONAL COOLING WILL BE  
QUITE GOOD LATE TONIGHT/EARLY TOMORROW MORNING AT KALS.  
 
 
   
PUB WATCHES/WARNINGS/ADVISORIES  
 
FROST ADVISORY FROM 3 AM TO 9 AM MDT MONDAY FOR COZ070-071.  
 
 
 
 
 
SHORT TERM...GARBEROGLIO  
LONG TERM...EHR  
AVIATION...HODANISH  
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