NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sat, Aug 15, 2026 at 1:56:50 pm CDT

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Heat Advisory

Today

Sunday

Stay Safe From The Heat

WBGT Forecast

The Outlook Ahead

Hot weather is expected today with highs in the 90s to triple digits. Heat indices will range from 104-110 degrees. With these hot conditions, remember to stay hydrated and take breaks indoors to cool off.

Hot weather is expected on Sunday with highs in the 90s to triple digits. Heat indices will range from 101-107 degrees. With these hot conditions, remember to stay hydrated and take breaks indoors to cool off.

Practice HEAT SAFETY Wherever You Are. Heat related deaths are preventable. Protect yourself and others from the impacts of heat waves. Job Sites: Stay hydrated and take breaks in the shade as often as possible. Indoors: Check up on the elderly, sick and those without AC. Vehicles: Never leave kids or pets unattended - LOOK before you LOCK. Outdoors: Limit strenuous outdoor activities, find shade, and stay hydrated. weather.gov/heat

Afternoon WBGT values are forecasted to range from 83-91 through the weekend. Extreme values of 90 or more are possible in some locations between 1-4 pm.

Hot and humid conditions continue with high temperatures in the 90s to triple digits. Max Heat indices are expected to reach 102-111 degrees. While most areas will remain dry, there is a possibility of isolated to scattered showers and storms forming along the sea breeze each day. Please practice heat safety by checking on the elderly, children, and pets, staying cool and hydrated, and wearing light-weight, light-colored clothing.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	13:15	Partly Cloudy	10	96	73	47	SSE 8G17	106 [HI]	30.17
College Station	12:53	Mostly Clear	10	94	73	51	SSW 9G18	103 [HI]	30.15
Caldwell	13:15	Mostly Cloudy	10	95	71	46	S 7	103 [HI]	30.15
Huntsville	12:53	Mostly Cloudy	10	92	72	52	VRB 5	100 [HI]	30.17
Navasota	13:35	Mostly Clear	10	96	74	49	S 12	108 [HI]	30.12
Brenham	13:35	Partly Cloudy	10	96	73	46	SE 10	106 [HI]	30.13
Conroe	12:53	Mostly Clear	10	96	73	47	VRB 6	106 [HI]	30.16
Cleveland	13:35	Clear	10				S 6	-	30.16
Liberty	13:35	Clear	9	95	73	49	VRB 6	105 [HI]	30.15
Columbus	13:35	Clear	10	97	71	43	SSE 8	106 [HI]	30.14
Spring	12:53	Mostly Clear	7	93	74	54	VRB 3	103 [HI]	30.16
Houston Intercontinental Aprt	12:53	Mostly Clear	10	95	74	50	SE 7	106 [HI]	30.16
Katy/Brookshire	13:35	Mostly Clear	7	95	73	49	SSE 9	105 [HI]	30.15
Texas Medical Center Heliport	13:35	Mostly Clear	10	95	71	46	VRB 7	103 [HI]	30.14
Sugar Land	12:53	Clear	10	93	75	56		-	30.15
Houston Hobby Airport	12:53	Mostly Cloudy	10	93	75	56	SSW 7	105 [HI]	30.15
Arcola/Sienna	13:35	Partly Cloudy	10	94	73	50	SE 6	105 [HI]	30.16
Pearland	12:53	Partly Cloudy	9	94	72	49	S 8	102 [HI]	30.17
Ellington Field	12:54	Partly Cloudy	10	93	75	56	SSE 3	105 [HI]	30.15
La Porte	13:15	Partly Cloudy	10	91	77	62	ESE 10	105 [HI]	30.17
Wharton	13:35	Partly Cloudy	10	94	75	53	SSE 12	107 [HI]	30.15
Angleton/Lake Jackson	12:53	Partly Cloudy	10	94	75	54	SSE 9	106 [HI]	30.16
Galveston	12:52	Clear	10	91	78	65	SSE 9	106 [HI]	30.18
Bay City	13:35	Partly Cloudy	10	94	77	59	SE 9	108 [HI]	30.11
Palacios	12:53	Clear	9	92	76	59	SSE 13	104 [HI]	30.16
Rig 20 Miles SE of Matagorda	13:40		10	87	80	79	SE 7	103 [HI]	30.21

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