Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

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Last Map Update: Wed, Mar 18, 2026 at 2:18:49 am EDT

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

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Mostly dry conditions with a gradual warming trend is expected into the late week and weekend.

Low chance for a light rain or snow shower on Wednesday. Gradual warming trend into the weekend with a return of warm weather by Friday. Mostly or all dry weather over the next week.

Low chance for a light rain or snow shower on Wednesday. Gradual warming trend into the weekend with a return of warm weather by Friday. Mostly or all dry weather over the next week.

Low chance for a light rain or snow shower on Wednesday. Gradual warming trend into the weekend with a return of warm weather by Friday. Mostly or all dry weather over the 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	01:55		10	23	12	62	CALM	-	30.23
Andrews-Murphy NC	15:58	Overcast	10	37	15	40	W 9	30 [WC]	30.14
Chattanooga TN	01:53	Mostly Clear	10	34	13	41	CALM	-	30.27
Crossville TN	01:53	Clear	10	28	14	55	CALM	-	30.20
Dalton GA	01:55	Mostly Cloudy	9	30	24	76	CALM	-	30.28
Knoxville TN (McGhee-Tyson)	01:53	Mostly Cloudy	10	31	13	46	E 7	23 [WC]	30.26
Middlesboro KY	01:55	Overcast	10	29	19	65	CALM	-	30.28
Monroe Cnty TN	01:55	Overcast	10	30	24	80	CALM	-	30.25
Morristown TN	01:55	Overcast	10	28	17	63	CALM	-	30.25
Oak Ridge TN	01:53	Overcast	10	31	16	53	CALM	-	30.28
Tazewell Cnty VA	01:55	Clear	10	18	14	83	CALM	-	30.19
Tri-Cities TN	01:53	Mostly Cloudy	10	25	19	77	CALM	-	30.26
Wise VA	01:55	Overcast	10	21	12	67	SE 5	13 [WC]	30.17
Greeneville, TN	01:55	Mostly Cloudy	10	28	15	58	CALM	-	30.24

Local Weather History For March 18th...

Tri-State tornado formed in MO and tracked 219 miles to IN in 1925. 695 died.


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Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

NWS Morristown