668  
FXUS01 KWBC 151821  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
220 PM EDT WED OCT 15 2025  
 
VALID 00Z THU OCT 16 2025 - 00Z SAT OCT 18 2025  
   
..HEAVY SNOW OVER PARTS OF THE NORTHERN ROCKIES ON THURSDAY
 
 
...THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS OVER PARTS OF  
THE NORTHERN PLAINS TO THE SOUTHERN PLAINS AND UPPER GREAT LAKES  
ON WEDNESDAY AND THURSDAY....  
 
A CLOSED UPPER-LEVEL LOW THAT AFFECTED THE SOUTHWEST OVER THE PAST  
FEW DAYS CONTINUES TO ADVANCE EAST-NORTHEASTWARD THROUGH THE  
SHORT-RANGE FORECAST PERIOD. STRONG WINDS, MODERATE MOISTURE WILL  
CONTINUE TO PRODUCE HEAVY SNOWFALL ACROSS THE NORTH-CENTRAL  
ROCKIES OF NORTHWEST WYOMING AND ADJACENT STATE'S RANGES. UP TO  
AN ADDITIONAL 5-10 INCHES OF SNOW COULD BE SEEN AT THE HIGHEST  
PEAKS AND PASSES ACROSS THE TETONS INTO YELLOWSTONE N.P. AND WIND  
RIVER RANGES.  
 
THE DEEP SURFACE LOW OVER THE GREAT BASIN WILL FILL AND TRANSFER  
TO A STRENGTHENING LOW PRESSURE IN THE LEE OF THE CENTRAL ROCKIES  
LATER THIS EVENING BEFORE RAPIDLY DEVELOPING ACROSS THE NORTHERN  
PLAINS ON THURSDAY SHIFTING INTO THE SOUTHERN CANADIAN PRAIRIES BY  
FRIDAY. STRONG SOUTHERLY WINDS THROUGH THE PLAINS WILL BRING 10-20  
DEGREES ABOVE NORMAL TEMPERATURES TO THE CENTRAL PLAINS EXPANDING  
NORTH ON THURSDAY ACROSS THE NORTHERN PLAINS AND UPPER MIDWEST.  
SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ALONG/AHEAD OF THE  
DEEPENING LOW WITH SOME LOW END, WIDELY SCATTERED SEVERE WEATHER  
POTENTIAL (MARGINAL RISK, LEVEL 1 OF 5, PER STORM PREDICTION  
CENTER) ACROSS THE CENTRAL ROCKIES TODAY, CENTRAL HIGH PLAINS  
THURSDAY AND ACROSS OK/KS LATE FRIDAY.  
 
A FEW THUNDERSTORMS ALONG THE SOUTHERN EDGE IN NEW MEXICO COULD  
REACH RATES CAPABLE OF WIDELY SCATTERED FLASH FLOODING AS THE  
WEATHER PREDICTION CENTER HAS A MARGINAL RISK (LEVEL 1 OF 4) FOR  
THE SOUTHERN ROCKIES. THE HEAVY RAINFALL RISK SHIFTS TO THE  
NORTHWEST SIDE OF THE SURFACE LOW, PROLONGED MODERATE RAINFALL MAY  
PRODUCE SOME LOCALIZED FLOODING CONCERNS ALONG THE MT/ND BORDER AS  
THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL FOR THURSDAY INTO  
EARLY FRIDAY.  
 
LASTLY, THERE REMAIN SOME LOCALIZED FREEZE WARNINGS UP FOR THE  
COLUMBIA RIVER VALLEY AND PARTS OF THE GREAT BASIN BEHIND THE COLD  
FRONT.  
 
ELSEWHERE, A COLD FRONT IS PRESSING THROUGH THE NORTHEAST AND  
THROUGH THE REMAINDER OF THE MID-ATLANTIC THIS AFTERNOON INTO  
EVENING. THE STRONG UPPER-LEVEL WAVE WILL STRENGTHEN OFF IN THE  
NORTHWEST ATLANTIC OVER THE NEXT DAY OR TWO BRING STRONG WINDS AND  
HIGH WAVE CONDITIONS WELL OFFSHORE, WINDS WILL SHIFT FROM  
NORTHWEST TOWARD NORTHEASTERLY INTO THURSDAY AND KEEP TEMPERATURES  
SLIGHTLY BELOW NORMAL BUT GENERALLY DRY AND PLEASANT GIVEN SUNNY  
CONDITIONS; THE ONLY EXCEPTION BEING OF CAPE COD REGION LATE ON  
THURSDAY INTO FRIDAY MORNING WITH SOME PASSING LIGHT TO  
OCCASIONALLY MODERATE SHOWERS.  
 
GALLINA  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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