National Weather Service United States Department of Commerce

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Sep 3, 2025 at 7:27:05 am EDT

 

Showers and thunderstorm chances increase for today and tomorrow as an upper level trough develops across the eastern United States. Another chance of rain is expected Friday night into Saturday before cooler, drier weather arrives on Sunday.
Showers and thunderstorm chances increase for today and tomorrow as an upper level trough develops across the eastern United States. Another chance of rain is expected Friday night into Saturday before cooler, drier weather arrives on Sunday.
Showers and thunderstorm chances increase for today and tomorrow as an upper level trough develops across the eastern United States. Another chance of rain is expected Friday night into Saturday before cooler, drier weather arrives on Sunday.
Despite August being abnormally cool, the summer as a whole was variable with Knoxville still recording the hottest since 2016

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA12:1510736064ESE 8-30.20
Andrews-Murphy NC07:01Overcast10616096CALM-30.06
Chattanooga TN06:53Light Rain10676593ESE 3-29.99
Crossville TN06:53Mostly Clear10605996W 3-30.02
Dalton GA07:15Lightning Observed9676594CALM-29.99
Knoxville TN (McGhee-Tyson)06:53Light Rain \ Mist6656393SSW 8-29.99
Middlesboro KY07:15Overcast106161100CALM-30.01
Monroe Cnty TN06:55Mist36464100SW 5-30.01
Morristown TN06:50Overcast106464100CALM-29.99
Oak Ridge TN06:53Light Rain10646396CALM-30.01
Tazewell Cnty VA07:15Overcast10605379CALM-30.05
Tri-Cities TN06:53Light Rain10626093CALM-30.01
Wise VA07:15Rain \ Lightning Observed105757100SW 6-30.07
Greeneville, TN06:55Mist4626093N 6-30.01


Local Weather History For September 3rd...
Isolated thunderstorms hit the area in 2010 producing $15,000 wind damage.

 

 

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 Perparado Probabilistic Virtual Tour Spotter Training