Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

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Last Map Update: Fri, Aug 21, 2026 at 11:36:39 pm CDT

Watches, Warnings & Advisories

National Weather Service Little Rock, AR

National Weather Service Fort Worth/Dallas, TX

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National Weather Service Jackson, Mississippi

National Weather Service Houston/Galveston, TX

National Weather Service Lake Charles, LA

National Weather Service New Orleans/Baton Rouge

Extreme Heat Warning

Heat Advisory

Hazardous Weather Outlook

Heat Advisory Through Saturday

Marginal Risk of Severe Thunderstorms Saturday

The Wildfire Threat Continues

Tonight's Forecast

Today's Records and Climate Data

Hot conditions continue with a Heat Advisory in effect areawide on Saturday. Afternoon high temperatures will return to the upper 90s to lower 100s while heat index values will range from 105-109 degrees. Continue to prioritize heat safety when spending time outdoors!

Isolated severe thunderstorms capable of producing damaging wind gusts are likely for Southeast Oklahoma and much of the Arklatex region on Saturday, mainly in the afternoon and evening.

The prolonged heat wave shows no signs of giving way as flash drought conditions continue across the entire Four State Region. As a result, much of the region is under a Burn Ban at this time. The wildfire threat will continue.

Strong to severe thunderstorms will be possible south of the I-20 corridor this evening, producing some damaging wind gusts. More storms will arrive from the north late overnight towards daybreak tomorrow.

Here are today's climate records for selected sites across the Four State region.

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Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
De Queen AR	22:53	Clear	10	73	72	96	CALM	-	29.98
El Dorado AR	22:53	Clear	10	81	73	76	CALM	-	30.00
Henderson TX	23:15	Clear	10	83	67	57	CALM	-	29.99
Idabel OK	23:15	Clear	9	80	69	69	ENE 6	-	30.00
Longview TX	22:53	Clear	10	86	65	49	CALM	-	29.99
Lufkin TX	22:53	Clear	10	81	71	71	E 6	-	30.00
Monroe LA	22:53	Clear	10	80	71	74		-	30.02
Mount Pleasant TX	23:10	Clear	10	80	72	76	CALM	-	30.00
Nacogdoches TX	22:56	Clear		87	69	55	SSE 3	91 [HI]	30.01
Natchitoches LA	23:15	Clear	10	82	71	68	CALM	-	30.01
Shreveport LA (Regional Airport)	22:56	Mostly Clear	10	84	68	58	CALM	-	29.99
Shreveport LA (Downtown Airport)	22:53	Clear	10	83	72	69	CALM	-	29.99
Texarkana AR	22:53	Clear	10	83	69	63	CALM	-	30.00
Tyler TX	22:53	Clear	10	91	62	38	ESE 6	92 [HI]	30.01


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Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

NWS Forecast Office Shreveport, LA