NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Tue, Aug 25, 2026 at 5:48:22 pm CDT

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Extreme Heat Warning

Heat Advisory

Tuesday's Oulook

Tuesday Night’s Outlook

The Outlook Ahead

Partial Lunar Eclipse

A Heat Advisory remains in effect for peak heat index readings between 106°-109°F until 7 PM Tuesday. This advisory may need to be extended later in the week.

Another hot day is expected on Tuesday with highs in the upper 90s and low 100s. Heat Advisory remains in effect.

Warm and humid with light southwest. Nighttime lows will be mainly in the upper 70s to lower 80s. Some lower clouds and isolated patch fog is possible near sunrise.

Hot and humid conditions continue with high temperatures mostly in the upper 90s to triple digits. Max Heat indices are expected to reach 106-112 degrees each day. Isolated to scattered showers and storms are expected during the second half of the week. Please continue to practice heat safety by checking on the elderly, children, and pets, staying cool and hydrated, and wearing light-weight, light-colored clothing.

Save the date for the Partial Lunar Eclipse, happening on August 27-28! You will be able to view the eclipse right here in SE TX with your own eyes, no eclipse glasses needed :) Look for the bright and shadowed parts of the moon, along with a copper/orange tint 🌕🌖🌗🌘

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	16:55	Clear	10	100	65	31	S 10G16	103 [HI]	29.97
College Station	16:53	Clear	10	98	66	35	SE 8	102 [HI]	29.95
Caldwell	16:55	Clear	10	100	62	29	SSE 6	102 [HI]	29.96
Huntsville	16:53	Mostly Clear	10	99	63	30	S 10	101 [HI]	29.95
Navasota	17:15	Clear	10	101	70	37	SSW 9	109 [HI]	29.93
Brenham	17:15	Partly Cloudy	10	98	66	35	SE 5	102 [HI]	29.95
Conroe	16:53	Clear	10	101	68	34	SE 5	107 [HI]	29.95
Cleveland	17:15	Clear	10				CALM	-	29.96
Liberty	17:15	Clear	10	96	73	47	CALM	106 [HI]	29.94
Columbus	17:15	Clear	10	100	68	35	S 6	105 [HI]	29.96
Spring	16:53	Clear	9	97	71	43	SSW 5	105 [HI]	29.95
Houston Intercontinental Aprt	16:53	Partly Cloudy	10	99	70	39	SW 7	107 [HI]	29.94
Katy/Brookshire	17:15	Mostly Clear	10	98	69	39	SSW 5	104 [HI]	29.96
Texas Medical Center Heliport	17:15	Clear	10	93	75	56	SE 15G23	105 [HI]	29.94
Sugar Land	16:53	Partly Cloudy	10	102	75	42	SSE 13G17	116 [HI]	29.95
Houston Hobby Airport	16:53	Partly Cloudy	10	95	77	56	SSE 14	110 [HI]	29.95
Arcola/Sienna	17:15	Partly Cloudy	10	95	74	51	SSE 8	105 [HI]	29.97
Pearland	16:53	Clear	10	93	76	57	S 10	106 [HI]	29.98
Ellington Field	16:54	Partly Cloudy	10	93	77	59	S 15	107 [HI]	29.94
La Porte	17:15	Clear	10	95	75	53	S 10G23	107 [HI]	29.96
Wharton	17:15	Clear	10	96	73	48	ESE 10	107 [HI]	29.96
Angleton/Lake Jackson	16:53	Clear	10	93	75	56	S 13	105 [HI]	29.97
Galveston	16:52	Clear	10	91	78	65	S 12	106 [HI]	29.99
Bay City	17:15	Clear	10	95	70	44	SE 12	102 [HI]	29.93
Palacios	16:53	Clear	10	91	73	55	S 13	100 [HI]	29.96
Rig 20 Miles SE of Matagorda	17:20		10	89	75	62	SSE 5	99 [HI]	30.03

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