NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Wed, Aug 12, 2026 at 7:42:30 pm CDT

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Heat Advisory

Tonight

The Outlook Ahead

Tonight anticipate warm and muggy conditions with a south-southeast breeze up to 10 mph and a possibility of patchy, low-lying fog. Forecast low temperatures are listed as 75-80° for inland areas and 78-84° for coastal locations.

Hot and humid conditions continue with high temperatures in the mid-to-upper 90s for inland areas, and high 80s to lower 90s along the coast. Peak heat indices between 103 to 111 F. While most areas will remain dry, there is a possibility of isolated showers and storms forming along the sea breeze. each day. The next several days are expected to be breezy, with max gusts reaching 20mph this week. 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	18:55	Clear	10	95	70	45	SSE 14	102 [HI]	29.88
College Station	18:53	Mostly Clear	10	96	70	43	SSE 16	103 [HI]	29.86
Caldwell	18:55	Clear	10	95	69	44	SSE 10G18	101 [HI]	29.87
Huntsville	18:53	Clear	10	95	72	47	S 12G20	104 [HI]	29.88
Navasota	18:55	Clear	10	94	70	46	S 9	101 [HI]	29.86
Brenham	18:55	Clear	10	94	70	45	S 12G22	100 [HI]	29.87
Conroe	18:53	Mostly Cloudy	10	96	74	49	S 16G23	107 [HI]	29.88
Cleveland	18:55	Clear	10				SE 5	-	29.92
Liberty	18:55	Clear	10	86	78	79	S 8	98 [HI]	29.90
Columbus	18:55	Clear	10	92	73	54	S 12G17	102 [HI]	29.90
Spring	18:53	Mostly Clear	10	92	74	55	SSW 12G21	102 [HI]	29.88
Houston Intercontinental Aprt	18:53	Partly Cloudy	10	93	75	56	S 10G22	105 [HI]	29.89
Katy/Brookshire	18:55	Clear	10	91	75	59	SW 17	102 [HI]	29.90
Texas Medical Center Heliport	19:15	Clear	10	89	75	62	S 15	99 [HI]	29.88
Sugar Land	18:53	Clear	10	90	77	65	S 14	103 [HI]	29.89
Houston Hobby Airport	18:53	Partly Cloudy	10	90	77	65	S 16G24	103 [HI]	29.89
Arcola/Sienna	18:55	Clear	10	90	74	60	SSW 6	100 [HI]	29.91
Pearland	18:53	Clear	10	90	77	65	S 12	103 [HI]	29.92
Ellington Field	18:54	Partly Cloudy	10	89	78	70	SSE 16	103 [HI]	29.89
La Porte	18:55	Clear	10	89	77	66	SSW 12	102 [HI]	29.91
Wharton	18:55	Partly Cloudy	10	89	76	65	SSE 10	101 [HI]	29.91
Angleton/Lake Jackson	18:53	Mostly Clear	10	88	78	72	S 15	102 [HI]	29.92
Galveston	18:52	Mostly Clear	10	88	79	74	S 13	103 [HI]	29.93
Bay City	18:55	Clear	10	88	80	74	S 14	105 [HI]	29.88
Palacios	18:53	Clear	8	89	77	67	S 14	102 [HI]	29.90
Rig 20 Miles SE of Matagorda	18:40		8	87	82	84	S 10	106 [HI]	29.97

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