Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

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Hazardous Weather Outlook
National Weather Service Morristown TN
257 AM EDT Mon Apr 20 2026

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-210700-
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-
257 AM EDT Mon Apr 20 2026 /157 AM CDT Mon Apr 20 2026/

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

.DAY ONE...Today and Tonight

Low relative humidity values and breezy winds will combine to
create dangerous fire weather conditions today in the southern
Appalachian mountains, especially in southwest North Carolina.
Therefore, a Fire Weather Watch is in effect for southwest North
Carolina.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Patchy frost possible Tuesday morning across parts of northeast
Tennessee and southwest Virginia, where temperatures are forecast
to fall into the low to mid 30s.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not needed at this time.

$$