Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Aug 15, 2026 at 7:02:25 pm EDT

Watches, Warnings & Advisories

Zoom Out

National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Flash Flood Warning

Flood Warning

Extreme Heat Warning

Heat Advisory

Flood Watch

Special Weather Statement

Hazardous Weather Outlook

Heat Wave

Strong Storms Today

Today

Tonight

Tomorrow

Smoky Mtn Observations

Increasing temperatures and Heat Index values are expected through the weekend and into Monday. Plan ahead and practice heat safety!

Expect scattered showers and storms today. A few storms this afternoon may become strong to severe, with damaging winds the primary threat. Also, very heavy rainfall on already wet ground may lead to localized flooding in areas that see repeated or prolonged periods of heavy rain.

Very hot conditions will continue through Monday, with heat index values in many locations exceeding 105 during the afternoons.

Very hot conditions will continue through Monday, with heat index values in many locations exceeding 105 during the afternoons.

Very hot conditions will continue through Monday, with heat index values in many locations exceeding 105 during the afternoons.

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	18:55	Clear	10	75	71	88	NE 5	-	30.22
Andrews-Murphy NC	18:35	Partly Cloudy	10	87	72	62	CALM	94 [HI]	30.18
Chattanooga TN	18:53	Clear	10	95	71	46	NW 8	103 [HI]	30.11
Crossville TN	18:53	Lightning Observed	10	87	70	56	NW 5	92 [HI]	30.20
Dalton GA	18:55	Overcast	10	91	77	64	CALM	105 [HI]	30.12
Knoxville TN (McGhee-Tyson)	18:53	Lightning Observed	10	91	69	48	CALM	96 [HI]	30.11
Middlesboro KY	18:35	Partly Cloudy	10	89	77	69	S 5	102 [HI]	30.15
Monroe Cnty TN	18:35	Overcast	10	89	80	74	VRB 5	106 [HI]	30.13
Morristown TN	18:55	Clear	9	86	78	79	ESE 7	98 [HI]	30.15
Oak Ridge TN	18:53	Clear	10	91	75	59	CALM	102 [HI]	30.14
Tazewell Cnty VA	10:15	Fog \ Lightning Observed	1/4	71	71	100	WSW 6	-	30.30
Tri-Cities TN	18:53	Mostly Cloudy	10	79	71	76	CALM	-	30.18
Wise VA	18:55	Clear	10	77	69	78	CALM	-	30.26
Greeneville, TN	18:35		10	75	73	94	VRB 6	-	30.19

Local Weather History For August 15th...

Lightning destroyed a barn near Camp Creek in Greene County in 2002. $25,000 damage.


Decision Support	Hydrology	Past Weather Events	GHWO	Observations	Gridded Forecast

IDSS Point Forecasts	Daily Climate	Local Climate	Tornado Database	Tropical	Weather Radio

Being Prepared	Estar Preparado	Probabilistic	Virtual Tour	Spotter Training

Local Radar

Huntsville Radar

Regional Satellite

Graphical Forecast

Weather Map

MRX RSS Feed

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

NWS Morristown