Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

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Last Map Update: Tue, Apr 21, 2026 at 10:58:53 pm EDT

Watches, Warnings & Advisories

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Special Weather Statement

Rain to Return

Today

Tonight

Tomorrow

Smoky Mtn Observations

The 6-10 day outlook for the final days of April indicate a wetter than normal pattern, with the local forecast calling for rain likely as soon as Saturday, with additional chances for rainfall next week. While the drought will persist through this, we have at least a 50% chance of seeing above normal rainfall that can at least stem the drought's progression.

Dry and unseasonably warm conditions are expected through Friday. A storm system will bring rain and possibly thunderstorm for Friday evening through Saturday.

Dry and unseasonably warm conditions are expected through Friday. A storm system will bring rain and possibly thunderstorm for Friday evening through Saturday.

Dry and unseasonably warm conditions are expected through Friday. A storm system will bring rain and possibly thunderstorm for Friday evening through Saturday.

Each observation point is apart of our COOP program (Cooperative Observer Program). Each site has a 24 hour observation period that ends and begins at 8 am local time. Each site records temperature, precipitation, and snowfall data. More information about the COOP program can be found here www.nws.noaa.gov/om/coop/ Data began being collected at: Cades Cover on 01/01/1999 || Mount LeConte on 07/01/1987 || Newfound Gap on 01/01/1991 || Sugarlands Visitor Center on 12/01/1921

Current Weather Observations...

Location	Time (EDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Abingdon VA	22:35	Clear	10	55	41	58	W 5	-	30.22
Andrews-Murphy NC	22:15	Clear	10	51	40	65	CALM	-	30.29
Chattanooga TN	21:53	Mostly Cloudy	10	68	46	45	SSE 3	-	30.23
Crossville TN	21:53	Clear	10	62	39	42	SSW 3	-	30.23
Dalton GA	22:35	Clear	10	59	53	82	CALM	-	30.24
Knoxville TN (McGhee-Tyson)	21:53	Clear	10	65	43	44	SW 10	-	30.19
Middlesboro KY	22:35	Clear	10	56	44	64	CALM	-	30.21
Monroe Cnty TN	22:35	Clear	10	59	48	67	SW 5	-	30.22
Morristown TN	22:35	Partly Cloudy	10	62	41	45	CALM	-	30.22
Oak Ridge TN	21:53	Clear	10	67	44	43	VRB 3	-	30.21
Tazewell Cnty VA	22:35	Clear	10	60	37	43	SW 8	-	30.22
Tri-Cities TN	21:53	Partly Cloudy	10	55	42	61	CALM	-	30.21
Wise VA	22:35	Clear	10	59	39	47	SW 10	-	30.22
Greeneville, TN	22:35	Clear	10	60	41	47	CALM	-	30.21

Local Weather History For April 21st...

In 1995, tornado hit the Chattanooga area with $100,000 damage. 2nd tornado hit Marion County.


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