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





Graphics available at

https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php









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