National Weather Service United States Department of Commerce

Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Jul 18, 2026 at 5:26:44 pm EDT

 

Next three days offer several chances for scattered showers and thunderstorms. Uncertainty around how many storms form this afternoon, another bout of storms for NE TN and SW VA early tomorrow morning. Then another bout of storms Sunday PM hours and more storms Monday PM hours. A storm or two could have strong to severe wind gusts.
Daily chances of showers and storms along with warm and humid conditions continue through the weekend.
Daily chances of showers and storms along with warm and humid conditions continue through the weekend.
Daily chances of showers and storms along with warm and humid conditions continue through the weekend.
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 VA17:15Partly Cloudy10787178W 8-30.02
Andrews-Murphy NC16:54Partly Cloudy10847166CALM-30.04
Chattanooga TN16:53Lightning Observed10887361ESE 796 [HI]29.99
Crossville TN16:53Lightning Observed10777078NW 5-30.06
Dalton GA17:15Lightning Observed10907868NNW 10104 [HI]29.99
Knoxville TN (McGhee-Tyson)17:06Lightning Observed10857061CALM-29.98
Middlesboro KY16:55Thunder \ Lightning Observed10857266W 20G2891 [HI]30.02
Monroe Cnty TN16:55Clear10877566VRB 696 [HI]29.99
Morristown TN16:55Clear9877362W 994 [HI]29.99
Oak Ridge TN16:53Mostly Clear10837474VRB 3-29.99
Tazewell Cnty VA09:55Mostly Cloudy10SSW 5-30.16
Tri-Cities TN16:59Lightning Observed8847369NW 7-30.00
Wise VA17:15Light Rain With Thunder In The Vicinity \ Lightning Observed56969100CALM-30.07
Greeneville, TN16:55Mostly Cloudy10867162WNW 991 [HI]30.00


Local Weather History For July 18th...
In 2012 storms hit for 4 consecutive days with damaging winds, large hail and flooding.

 

 

Briefing Hydrology Past Weather Events Graphical Hazardous Weather Outlook for East Tennessee East Tennessee Observations
Decision Support Hydrology Past Weather Events GHWO Observations Gridded Forecast
Daily Climate for Middle Tennessee Local East Tennessee Climate Tornado Database Tropical Weather Information NOAA Weather Radio
IDSS Point Forecasts Daily Climate Local Climate Tornado Database Tropical Weather Radio
Daily Climate for Middle Tennessee Probabilistic Data for East Tennessee Virtual Tour of the NWS Morristown Office Skywarn Spotter Training for East Tennessee  
Being Prepared Estar Preparado Probabilistic Virtual Tour Spotter Training