Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

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HWOMRX

Hazardous Weather Outlook
National Weather Service Morristown TN
1239 PM EST Thu Dec 11 2025

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-121745-
Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins-
Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen-
Northwest Cocke-Cocke Smoky Mountains-Northwest Greene-
Southeast Greene-Washington TN-Unicoi-Northwest Carter-
Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount-
Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains-
Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-
Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee-
Wise-Scott VA-Russell-Washington VA-
1239 PM EST Thu Dec 11 2025 /1139 AM CST Thu Dec 11 2025/

This Hazardous Weather Outlook is for portions of southwest North
Carolina...east Tennessee and southwest Virginia.

.DAY ONE...This Afternoon and Tonight

Light snow accumulations can be expected across portions of
southwest Virginia tonight into early Friday. See the winter
weather advisory for more details.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

An Arctic cold snap following another cold front later Sunday
into early Monday, may bring overnight lows in the teens to
single digits. Very cold wind chills will also be possible,
especially across the highest elevations.

.SPOTTER INFORMATION STATEMENT...

Any snowfall reports are appreciated. Please relay any
information to the NWS.

$$