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: Sat, Aug 22, 2026 at 5:02:26 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

Severe Thunderstorm Watch

Heat Advisory

Special Weather Statement

Air Quality Alert

Hazardous Weather Outlook

Heat Advisory Continues Through Sunday

Marginal Risk of Severe Thunderstorms Today

The Wildfire Threat Continues

Tonight's Forecast

Today's Records and Climate Data

Hot conditions continue with a Heat Advisory in effect areawide. Afternoon high temperatures will stay in the 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 continue to be likely for much of the Arklatex today, 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.

Overnight temperatures will be very warm tonight in the mid to upper 70s. Showers and thunderstorms are expected to develop and continue into Sunday morning, especially north of the I-20 corridor.

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	15:53	Clear	10	98	71	42	SW 8	107 [HI]	29.93
El Dorado AR	15:53	Clear	10	106	60	22	NW 8	108 [HI]	29.94
Henderson TX	16:15	Mostly Clear	10	106	62	23	NE 6	109 [HI]	29.94
Idabel OK	16:35	Clear	8	100	66	33	VRB 5	104 [HI]	29.94
Longview TX	15:53	Lightning Observed	10	107	65	26	VRB 7	112 [HI]	29.94
Lufkin TX	15:53	Lightning Observed	10	104	65	28	VRB 5	108 [HI]	29.95
Monroe LA	15:53	Mostly Clear	10	104	65	28	CALM	108 [HI]	29.94
Mount Pleasant TX	16:30	Clear	10	103	66	30	NNE 5	108 [HI]	29.93
Nacogdoches TX	15:56	Clear		104	65	28	WNW 6	108 [HI]	29.96
Natchitoches LA	16:35	Clear	10	103	65	29	CALM	108 [HI]	29.93
Shreveport LA (Regional Airport)	15:56	Mostly Cloudy	10	104	66	29	CALM	109 [HI]	29.95
Shreveport LA (Downtown Airport)	15:53	Clear	10	104	68	31		-	29.95
Texarkana AR	15:53	Clear	10	102	66	31	W 5	107 [HI]	29.95
Tyler TX	16:50	Thunder In The Vicinity	10	102	62	27	S 7	104 [HI]	29.96


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

NWS Forecast Office Shreveport, LA