429
FXUS01 KWBC 201917
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
316 PM EDT FRI MAR 20 2026
VALID 00Z SAT MAR 21 2026 - 00Z MON MAR 23 2026
..HEAVY SNOW FOR PARTS OF THE NORTHEAST
...RAIN/FREEZING RAIN FROM THE UPPER GREAT LAKES TO PARTS OF NEW
YORK STATE...
...SHOWERS AND SEVERE THUNDERSTORMS FOR PARTS OF THE CENTRAL
APPALACHIANS...
A FRONT EXTENDING FROM THE NORTHEAST TO THE OHIO VALLEY WILL MOVE
EASTWARD OFF THE EASTERN SEABOARD BY SATURDAY. THE BOUNDARY WILL
TRIGGER SHOWERS AND THUNDERSTORMS OVER PARTS OF THE OHIO
VALLEY/CENTRAL APPALACHIANS, RAIN OVER PARTS OF THE MID-ATLANTIC
AND INTO THE NORTHEAST, AND SNOW OVER NORTHERN MAINE THROUGH EARLY
SATURDAY MORNING.
FURTHERMORE, A WAVE OF LOW PRESSURE OVER THE NORTHERN PLAINS WILL
MOVE EASTWARD TO THE NORTHEAST BY SUNDAY EVENING. THE STORM WILL
PRODUCE RAIN/FREEZING RAIN OVER PARTS OF THE UPPER GREAT LAKES
FROM SATURDAY MORNING INTO SUNDAY EVENING. AS THE SYSTEM MOVES
EASTWARD ON SUNDAY MORNING, HEAVY SNOW WILL DEVELOP OVER PARTS OF
THE NORTHEAST WITH PATCHES OF RAIN/FREEZING RAIN OVER PARTS OF
UPSTATE NEW YORK. SHOWERS AND THUNDERSTORMS WILL RETURN TO THE
OHIO VALLEY BY SUNDAY EVENING, WHILE RAIN AND SNOW RETURN TO THE
NORTHEAST ON SUNDAY.
MEANWHILE, A FRONT MOVING ONSHORE OVER THE NORTHWEST MOVES EAST
AND SOUTHWARD TO THE NORTHERN INTERMOUNTAIN REGION AND NORTHERN
CALIFORNIA BY SUNDAY. THE SYSTEM WILL PRODUCE RAIN AND HIGHER
ELEVATION SNOW OVER PARTS OF THE NORTHWEST AND NORTHERN
INTERMOUNTAIN REGION FROM FRIDAY NIGHT INTO SATURDAY NIGHT. RAIN
AND HIGHER-ELEVATION SNOW WILL DEVELOP OVER PARTS OF THE CENTRAL
PLAINS ON SUNDAY. BY SUNDAY EVENING, HIGH PRESSURE WILL MOVE OVER
THE NORTHERN PLAINS.
ZIEGENFELDER
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