NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sat, Jul 18, 2026 at 4:30:18 pm CDT

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Radar Outage

A broad area of low pressure in the eastern Gulf has a 40% chance of tropical development over the next 7 days as it slowly drifts northward or north-northwestward. It is advised that you keep up with the tropics over the next several days for updates in case anything changes.

Partly cloudy skies are expected across the region on Saturday, with daytime highs into the low-mid 90s and overnight lows in the 70s.

Low temperatures settle into the mid 70s to low 80s. Conditions are expected to be partly cloud. Isolated showers and thunderstorms will be possible overnight

The heat will build this weekend into next week. Heat index levels could approach Heat Advisory criteria by Tuesday. Rain chances will remain low through the middle of the week. Rain chances may rise by week's end.

HGX radar is currently out of service due to an unanticipated disruption. Electronic Technicians will be working on the radar later today.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	15:55	Clear	10	93	72	50	S 6	101 [HI]	30.05
College Station	15:53	Clear	10	93	71	49	SSW 12	100 [HI]	30.03
Caldwell	15:55	Clear	10	93	71	49	SSE 13	100 [HI]	30.04
Huntsville	15:53	Clear	10	93	74	54	SW 8	103 [HI]	30.05
Navasota	16:15	Clear	10	94	78	61	S 12	110 [HI]	30.01
Brenham	15:55	Clear	10	92	72	52	SSW 8	101 [HI]	30.03
Conroe	15:53	Clear	10	94	73	51	VRB 6	103 [HI]	30.04
Cleveland	16:15	Partly Cloudy	10				S 5	-	30.05
Liberty	16:15	Clear	10	91	78	66	SSE 7	106 [HI]	30.03
Columbus	15:55	Clear	10	92	74	54	SSW 9	102 [HI]	30.05
Spring	15:53	Partly Cloudy	8	90	76	63	SSW 7	102 [HI]	30.03
Houston Intercontinental Aprt	15:53	Mostly Cloudy	10	94	73	51	SSE 8	103 [HI]	30.03
Katy/Brookshire	16:15	Clear	9	93	71	49	S 9	100 [HI]	30.04
Texas Medical Center Heliport	16:15	Mostly Clear	10	91	69	49	VRB 5	96 [HI]	30.03
Sugar Land	15:53	Mostly Clear	10	93	75	56	S 9	105 [HI]	30.03
Houston Hobby Airport	15:53	Mostly Cloudy	9	92	75	57	SSW 13	103 [HI]	30.03
Arcola/Sienna	16:15	Clear		93	72	51	SSW 5	101 [HI]	30.05
Pearland	15:53	Mostly Cloudy	9	92	74	55	SSE 9	102 [HI]	30.06
Ellington Field	15:54	Partly Cloudy	10	91	77	62	SSE 13G21	105 [HI]	30.03
La Porte	16:15	Clear	10	91	77	62	S 10G17	105 [HI]	30.04
Angleton/Lake Jackson	15:53	Mostly Clear	10	90	77	65	S 13	103 [HI]	30.05
Galveston	15:52	Mostly Clear	10	88	78	72	S 12	102 [HI]	30.07
Bay City	16:15	Partly Cloudy	10	90	82	77	S 12	111 [HI]	30.00
Palacios	15:53	Mostly Clear	9	89	78	70	S 9	103 [HI]	30.04
Rig 20 Miles SE of Matagorda	16:20		9	87	80	79	S 7	103 [HI]	30.09

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