631
FXUS01 KWBC 211918
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
317 PM EDT SAT MAR 21 2026
VALID 00Z SUN MAR 22 2026 - 00Z TUE MAR 24 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 OHIO VALLEY
TO NORTHERN MID-ATLANTIC ON SUNDAY...
A WAVE OF LOW PRESSURE OVER THE UPPER GREAT LAKES WILL MOVE
EASTWARD OFF THE NORTHEAST COAST BY OVERNIGHT SUNDAY. THE STORM
WILL PRODUCE HEAVY SNOW OVER PARTS OF THE NORTHEAST, WITH ISOLATED
POCKETS OF RAIN/FREEZING RAIN OVER PARTS OF UPSTATE NEW YORK AND
NEW ENGLAND OVERNIGHT SATURDAY, AND SNOW OVER THE REGION ON SUNDAY
AND MONDAY. RAIN WILL DEVELOP FROM THE NORTHERN HIGH PLAINS TO THE
GREAT LAKES OVERNIGHT SATURDAY. AS THE FRONT SAGS SOUTHWARD,
SHOWERS AND SEVERE THUNDERSTORMS WILL DEVELOP OVER THE OHIO VALLEY
AND THE NORTHERN MID-ATLANTIC ON SUNDAY, WITH A HIGHER THREAT OF
HAIL. RAIN WILL DEVELOP OVER PARTS OF THE MID-ATLANTIC ON MONDAY.
MEANWHILE, UPPER-LEVEL ENERGY WILL TRIGGER RAIN SHOWERS OVER PARTS
OF THE CENTRAL/NORTHERN PLAINS ON MONDAY, MOVING INTO THE UPPER
MISSISSIPPI VALLEY BY MONDAY EVENING. ELSEWHERE, A FRONT MOVING
ONSHORE OVER THE NORTHWEST WILL DISSIPATE BY SUNDAY MORNING. THE
SYSTEM WILL PRODUCE RAIN AND HIGHER ELEVATION SNOW OVER PARTS OF
THE NORTHWEST THROUGH SUNDAY AFTERNOON. WEAK ONSHORE FLOW WILL AID
IN PRODUCING LIGHT RAIN AND HIGHER-ELEVATION SNOW OVER PARTS OF
THE NORTHWEST ON MONDAY AFTERNOON.
ZIEGENFELDER
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