National Weather Service United States Department of Commerce

Showers and Thunderstorms from the Great Lakes into the Southern Plains

Frontal boundary and wave of low pressure will keep an active weather pattern from the Great Lakes region through the southern Plains the next couple of days. Isolated instances of severe thunderstorms and flash flooding are possible. Meanwhile, as summer comes to a close, above normal temperatures continue for central and eastern U.S. - especially for most of Puerto Rico with excessive heat. Read More >

Click a location below for detailed forecast.

Last Map Update: Sun, Sep 21, 2025 at 8:58:51 am EDT

 

Much needed rainfall expected across much of the area next week.
Above normal temperatures with a few afteroon and evening showers and storms is expected through early next week. Increasing chances of showers and thunderstorms with moderating temperatures Wednesday onward.
Above normal temperatures with a few afteroon and evening showers and storms is expected through early next week. Increasing chances of showers and thunderstorms with moderating temperatures Wednesday onward.
Above normal temperatures with a few afteroon and evening showers and storms is expected through early next week. Increasing chances of showers and thunderstorms with moderating temperatures Wednesday onward.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA08:35Clear10645777NE 6-30.21
Andrews-Murphy NC08:20Clear10595895CALM-30.22
Chattanooga TN07:53Partly Cloudy10686487CALM-30.12
Crossville TN07:53Mostly Clear10676284S 6-30.15
Dalton GA08:35Mostly Clear10706686CALM-30.11
Knoxville TN (McGhee-Tyson)07:53Partly Cloudy10636090CALM-30.13
Middlesboro KY08:35Clear10615993CALM-30.17
Monroe Cnty TN08:15Clear106262100CALM-30.14
Morristown TN08:15Clear106262100CALM-30.16
Oak Ridge TN10:53Partly Cloudy10674952VRB 5-30.26
Tazewell Cnty VA08:35Clear10645674SE 7-30.24
Tri-Cities TN07:53Mostly Clear105656100CALM-30.19
Wise VA08:35Clear10645777S 5-30.24
Greeneville, TN08:15Clear10645982CALM-30.17


Local Weather History For September 21st...
In 2002, 1-3" of rain fell across the area. People were rescued from a flooded car in Athens.

 

 

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