NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Tue, Jul 21, 2026 at 10:12:15 am CDT

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Heat Advisory

Thursday

Thursday Night

Friday

Extended Outlook

NOAA Weather Radio Outage

Another hot day with high temperatures mainly in the mid 90s to near 100. Heat indices will be in the 104-108F range. An isolated shower/storm is possible in the afternoon.

Warm and muggy overnight with potential for brief patchy fog early Friday morning.

Another hot day that'll be slightly hotter than Friday. High temperatures in the mid 90s to low 100s and heat indices in the 105-109F range.

Hot conditions will peak Friday and Saturday with some moderation Sunday and Monday. Chances of showers and thunderstorms will return to the forecast starting on Saturday.

The NOAA Weather Radio (NWR) transmitter that serve the Bay City area remains offline. Technicians are aware of this outage. Unfortunately, it will remain out of service until parts arrive.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	04:15	Clear	10	78	76	92	SSW 6	-	29.96
College Station	03:53	Clear	10	77	75	93	SSW 5	-	29.94
Caldwell	03:55	Mostly Cloudy	10	77	75	94	S 6	-	29.95
Huntsville	03:53	Clear	10	77	75	93	SSW 5	-	29.95
Navasota	04:15	Mist	5	76	76	100	S 5	-	29.93
Brenham	04:15	Partly Cloudy	10	77	76	95	CALM	-	29.94
Conroe	03:53	Mostly Clear	10	79	77	93	CALM	-	29.95
Cleveland	04:15	Partly Cloudy	7				CALM	-	29.96
Liberty	04:15	Mist	1 1/4	75	75	100	CALM	-	29.93
Columbus	04:15	Clear	7	77	76	97	CALM	-	29.95
Spring	03:53	Clear	7	78	76	93	CALM	-	29.94
Houston Intercontinental Aprt	03:53	Mostly Cloudy	10	81	77	87	S 3	-	29.93
Katy/Brookshire	04:15	Clear	7	78	78	100	SSW 3	-	29.95
Texas Medical Center Heliport	04:15	Clear	10	80	77	88	VRB 7	-	29.93
Sugar Land	03:53	Clear	10	78	77	96	S 5	-	29.93
Houston Hobby Airport	03:53	Mostly Cloudy	9	80	77	90	SSW 5	-	29.93
Arcola/Sienna	04:15			76	74	91	CALM	-	29.95
Pearland	03:53	Clear	9	80	76	87	CALM	-	29.95
Ellington Field	03:54	Clear	10	78	77	94	SSE 7	-	29.92
La Porte	04:15	Clear	10	80	77	88	SW 5	-	29.95
Angleton/Lake Jackson	03:53	Clear	10	79	76	90	SSW 5	-	29.93
Galveston	03:52	Partly Cloudy	10	84	77	79	SSW 12	94 [HI]	29.94
Bay City	04:15	Clear	10	79	79	100	SSW 6	-	29.89
Palacios	03:53	Clear	10	84	77	79	S 14	94 [HI]	29.92
Rig 20 Miles SE of Matagorda	04:20		10	84	78	83	S 20	95 [HI]	29.97

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