939  
FXUS01 KWBC 040735  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
234 AM EST THU DEC 04 2025  
 
VALID 12Z THU DEC 04 2025 - 12Z SAT DEC 06 2025  
 
...ACTIVE WINTER WEATHER PATTERN CONTINUES WITH SNOW IMPACTING THE  
GREAT LAKES, INTERIOR NORTHEAST, AND PACIFIC NORTHWEST/ROCKIES THE  
NEXT COUPLE OF DAYS...  
 
...MODERATE TO HEAVY RAINFALL FOR THE GULF COAST WITH ISOLATED  
FLASH FLOODING POSSIBLE; SOME WINTRY PRECIPITATION EXPECTED NORTH  
INTO THE APPALACHIANS/MID-ATLANTIC FRIDAY...  
 
...SURGE OF ARCTIC AIR FORECAST TO CHALLENGE LOW TEMPERATURE  
RECORDS ACROSS THE MIDWEST THURSDAY AND THE NORTHERN MID-ATLANTIC  
TO NEW ENGLAND FRIDAY...  
 
AN ACTIVE WINTER-LIKE PATTERN CONTINUES ACROSS THE COUNTRY WITH  
SYSTEMS BRINGING SNOW TO MULTIPLE PLACES OVER THE NEXT COUPLE OF  
DAYS. FIRST, LAKE-ENHANCED SNOW SHOWERS WILL CONTINUE FOR PORTIONS  
OF THE GREAT LAKES FOLLOWING THE PASSAGE OF ONE CLIPPER-LIKE  
SYSTEM THIS MORNING AND AS ANOTHER QUICKLY APPROACHES THE REGION  
ON FRIDAY. SOME MODERATE SNOW ACCUMULATIONS WILL FOCUS DOWNWIND OF  
THE UPPER GREAT LAKES AND LAKE ONTARIO. LIGHT SNOW SHOWERS WILL  
ALSO BE POSSIBLE ACROSS THE NORTHERN PLAINS TODAY AS THIS INCOMING  
SECOND SYSTEM PASSES THROUGH. MEANWHILE, THE DEPARTING CLIPPER  
SYSTEM AND TRAILING COLD FRONT IS EXPECTED TO LEAD TO A  
POTENTIALLY IMPACTFUL SNOW SQUALL EVENT TODAY OVER THE INTERIOR  
NORTHEAST. THESE INTENSE, QUICK BURSTS OF HEAVY SNOW ACCOMPANIED  
BY GUSTY SURFACE WINDS CAN BRING SUDDEN WHITE-OUT CONDITIONS,  
WHICH IS PARTICULARLY DANGEROUS TO THOSE DRIVING.  
 
TO THE WEST, A SERIES OF UPPER-WAVES DROPPING SOUTHWARD OVER THE  
WESTERN U.S. WILL BRING SIGNIFICANT SNOWFALL TO THE CASCADES AND  
RANGES OF THE NORTHERN ROCKIES TODAY, SPREADING INTO THE CENTRAL  
ROCKIES FRIDAY. WINTER STORM WATCHES HAVE BEEN ISSUED FOR SNOWFALL  
TOTALS GENERALLY BETWEEN 8-14", WITH HIGHER AMOUNTS UPWARDS OF  
2-3' POSSIBLE FOR THE HIGHER MOUNTAIN PEAKS. THE MOUNTAIN VALLEYS  
WILL SEE BETWEEN 3-6". WHILE ACCUMULATIONS SHOULD MAINLY REMAIN  
LIMITED TO THE MOUNTAINS, A WINTRY MIX IS EXPECTED FOR ADJACENT  
AREAS OF THE NORTHERN/CENTRAL GREAT BASIN AND NORTHERN HIGH  
PLAINS, WITH RAIN FOR THE PACIFIC NORTHWEST.  
 
MOIST SOUTHERLY FLOW AHEAD OF AN UPPER-WAVE APPROACHING THE  
SOUTHERN PLAINS/WESTERN GULF HAS LED TO AN EXPANDING AREA OF  
PRECIPIATION ACROSS THE REGION THIS MORNING. THUNDERSTORMS WILL  
FOCUS IN VICINITY OF A QUASI-STATIONARY FRONTAL BOUNDARY ALONG THE  
WESTERN TO CENTRAL GULF COAST WITH MORE MODERATE SHOWERS FURTHER  
INLAND. THE SYSTEM WILL PROGRESS EASTWARD INTO THE SOUTHEAST  
OVERNIGHT THURSDAY AND INTO THE DAY FRIDAY, WITH THUNDERSTORM  
CHANCES LINGERING TO THE WEST ALONG THE GULF COAST. SOME LOCALLY  
HEAVY RAINFALL WILL BE POSSIBLE WITH AN ISOLATED THREAT FOR FLASH  
FLOODING. WINTRY PRECIPIATION IS EXPECTED WHERE COLDER AIR IN  
PLACE FURTHER TO THE NORTH, FIRST OVER PORTIONS OF THE SOUTHERN  
PLAINS THIS MORNING/AFTERNOON, AND THEN EASTWARD FROM THE OHIO  
VALLEY INTO THE CENTRAL/SOUTHERN APPALACHIANS AND NORTH  
CAROLINA/SOUTHERN MID-ATLANTIC OVERNIGHT THURSDAY AND INTO THE DAY  
FRIDAY. WINTER WEATHER ADVISORIES ARE IN PLACE FOR POTENTIAL SNOW  
ACCUMULATIONS OF 1-2" AS WELL AS A LIGHT GLAZING OF ICE.  
 
CONDITIONS REMAIN WELL BELOW AVERAGE ACROSS MUCH OF THE EASTERN  
AND CENTRAL U.S. AS THIS WINTER-LIKE PATTERN REMAINS IN PLACE. YET  
ANOTHER COLD FRONT PASSAGE WILL BRING SOME BRUTALLY COLD LOW  
TEMPERATURES TO PORTIONS OF THE MIDWEST THIS MORNING, AND THEN  
INTO THE NORTHERN MID-ATLANTIC AND NEW ENGLAND FRIDAY MORNING. LOW  
TEMPERATURES IN THE NEGATIVE SINGLE DIGITS AND TEENS FOR THE  
MIDWEST AND SINGLE DIGITS AND TEENS FOR THE NORTHERN  
MID-ATLANTIC/NEW ENGLAND MAY CHALLENGE SEVERAL DAILY RECORD LOW  
TEMPERATURES. FORECAST HIGHS THE NEXT COUPLE DAYS WILL VARY  
DEPENDING ON THE TIMING OF FRONTAL PASSAGES, BUT GENERALLY RANGE  
IN THE TEENS TO 20S FOR THE MIDWEST, THE 20S AND 30S FOR NEW  
ENGLAND, THE 30S AND 40S FOR THE CENTRAL/SOUTHERN PLAINS EAST  
THROUGH THE OHIO VALLEY TO THE MID-ATLANTIC, AND THE 40S AND 50S  
FOR TEXAS TO THE SOUTHEAST. THE HIGH PLAINS WILL SEE A RETURN TO  
AVERAGE IF NOT A BIT ABOVE AVERAGE CONDITIONS WITH DOWNSLOPING  
WINDS OFF THE ROCKIES IN PLACE, WITH HIGHS INTO THE 30S AND 40S  
NORTH AND 50S AND 60S SOUTH. CONDITIONS WILL ALSO REMAIN AROUND OR  
ABOVE AVERAGE FOR MOST OF THE WEST, WITH 40S FOR THE INTERIOR, 50S  
AND 60S ALONG THE WEST COAST, AND 60S AND 70S FOR THE DESERT  
SOUTHWEST. THE FOUR CORNERS REGION WILL SEE SOME LOCALLY COOLER  
TEMPERATURES WITH HIGHS IN THE 30S AND 40S.  
 
PUTNAM  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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