988
FXUS01 KWBC 061926
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
225 PM EST SAT DEC 06 2025
VALID 00Z SUN DEC 07 2025 - 00Z TUE DEC 09 2025
...THERE IS A MODERATE TO HEAVY SNOW OVER PARTS OF THE
UPPER/MIDDLE MISSISSIPPI VALLEY ON SATURDAY NIGHT...
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE
PACIFIC NORTHWEST ON MONDAY...
...LIGHT TO MODERATE SNOW OVER PARTS OF THE NORTHERN INTERMOUNTAIN
REGION AND NORTHERN ROCKIES...
ON SATURDAY, A WAVE OF LOW PRESSURE OVER THE MIDDLE MISSISSIPPI
VALLEY WILL MOVE NORTHEASTWARD TO THE CANADIAN MARITIMES BY
MONDAY. THE STORM WILL PRODUCE MODERATE TO HEAVY SNOW OVER PARTS
OF THE UPPER/MIDDLE MISSISSIPPI VALLEY OVERNIGHT SATURDAY AND
LIGHT TO MODERATE SNOW OVER THE LOWER GREAT LAKES MOVING INTO THE
NORTHEAST SATURDAY NIGHT INTO SUNDAY. ADDITIONALLY, AS LOW
PRESSURE MOVES THROUGH THE SOUTHEAST, LIGHT TO MODERATE SNOW WILL
DEVELOP OVER PARTS OF WEST VIRGINIA AND CENTRAL/SOUTHERN VIRGINIA
ON SUNDAY NIGHT INTO MONDAY. ALSO, ON SUNDAY INTO MONDAY, RAIN
WILL DEVELOP OVER PARTS OF THE SOUTHEAST WITH SHOWERS AND
THUNDERSTORMS OVER THE FLORIDA PENINSULA.
MEANWHILE, ONSHORE FLOW FROM THE PACIFIC WILL BRING COASTAL RAIN
TO PARTS OF THE PACIFIC NORTHWEST THROUGH MONDAY. IN ADDITION,
UPPER-LEVEL ENERGY WILL PRODUCE LIGHT TO MODERATE SNOW OVER PARTS
OF THE NORTHERN CASCADES, NORTHERN INTERMOUNTAIN REGION, AND
NORTHERN ROCKIES THROUGH MONDAY. ON MONDAY, MOISTURE WILL BRING
HEAVY RAIN TO PARTS OF THE PACIFIC NORTHWEST. THEREFORE, THE WPC
HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER
PARTS OF THE PACIFIC NORTHWEST ON MONDAY. THE ASSOCIATED HEAVY
RAIN WILL MAINLY CAUSE LOCALIZED FLASH FLOODING, WITH URBAN AREAS,
ROADS, SMALL STREAMS, AND LOW-LYING AREAS MOST VULNERABLE.
LASTLY, LOW PRESSURE MOVING OUT OF THE NORTHERN PLAINS WILL MOVE
TO THE UPPER MIDWEST, PRODUCING LIGHT TO MODERATE SNOW OVER THE
UPPER MIDWEST AND UPPER GREAT LAKES SUNDAY NIGHT INTO MONDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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