Morristown, TN

Weather Forecast Office

NWS Morristown

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Last Map Update: Tue, Jul 29, 2025 at 12:40:44 am EDT

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A Heat Advisory is in effect through 8 PM EDT Tuesday for heat indices as high as 107°F. Please stay hydrated and limit time spent outdoors. Remember to look before you lock!

Heat indices as high as 107°F Tuesday. Showers and storms will favor higher terrain during the PM hours Tuesday but increasing coverage of thunderstorms area-wide for Wednesday and especially Thursday.

Hot and humid conditions continue through mid-week. Heat Advisory in effect through Tuesday across the central and southern TN valley. Isolated to scattered showers and thunderstorms are expected each afternoon and evening, with the best chances across the higher elevations. Cooler temperatures and increasing coverage of showers and thunderstorms are expected for the latter half of the week.

Hot and humid conditions continue through mid-week. Heat Advisory in effect through Tuesday across the central and southern TN valley. Isolated to scattered showers and thunderstorms are expected each afternoon and evening, with the best chances across the higher elevations. Cooler temperatures and increasing coverage of showers and thunderstorms are expected for the latter half of the week.

Developing Heat Wave through early next week. Afternoon heat indices will climb to 105+ degrees by early next week.

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	05:35	Clear	10	69	68	94	S 2	-	30.21
Andrews-Murphy NC	00:03	Clear	10	72	70	94	CALM	-	30.19
Chattanooga TN	23:53	Cumulonimbus Clouds, Lightning Observed	10	83	76	79	NW 5	91 [HI]	30.11
Crossville TN	23:53	Clear	10	75	74	96	CALM	-	30.19
Dalton GA	00:15	Lightning Observed	10	81	76	85	NNW 5	-	30.09
Knoxville TN (McGhee-Tyson)	00:16	Heavy Rain \ Mist \ Cumulonimbus Clouds, Lightning Observed	1	74	72	93	N 9G22	-	30.15
Middlesboro KY	00:15	Light Rain	10	73	73	98	CALM	-	30.17
Monroe Cnty TN	23:55	Mist	4	73	73	100	VRB 3	-	30.14
Morristown TN	10:30	Overcast					VRB 5	-	30.10
Oak Ridge TN	23:53	Partly Cloudy	10	80	76	87	E 3	-	30.14
Tazewell Cnty VA	00:15	Mist	1	68	68	99	CALM	-	30.23
Tri-Cities TN	23:53	Lightning Observed	7	71	70	96	CALM	-	30.18
Wise VA	00:15	Clear	10	69	69	100	SW 5	-	30.23
Greeneville, TN	23:55	Clear	10	73	71	94	VRB 3	-	30.17

Local Weather History For July 28th...

Thunderstorm hit the area for 2 consecutive days in 2005 resulting in $1 million damage.


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Widespread Damaging Winds Likely in the Northern Plains; Heat Continues in the Central and Southeast U.S.

NWS Morristown