NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sat, Jul 18, 2026 at 6:18:37 pm CDT

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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	17:55	Clear	10	93	71	49	S 9	100 [HI]	30.01
College Station	17:53	Clear	10	93	71	49	SSE 10	100 [HI]	29.99
Caldwell	17:55	Clear	10	93	69	46	S 9	98 [HI]	30.00
Huntsville	17:53	Clear	10	93	74	54	SSW 8	103 [HI]	30.01
Navasota	17:55	Clear	10	92	78	62	SSW 10	107 [HI]	29.98
Brenham	17:55	Partly Cloudy	10	91	73	55	SSE 7	100 [HI]	29.99
Conroe	17:53	Clear	10	93	74	54	SSE 6	103 [HI]	30.00
Cleveland	17:55	Partly Cloudy	10				SSE 6	-	30.01
Liberty	17:55	Mostly Clear	10	91	80	70	SSW 8	109 [HI]	30.00
Columbus	17:55	Partly Cloudy	10	91	75	59	S 6	102 [HI]	30.01
Spring	17:53	Clear	8	93	73	52	VRB 3	102 [HI]	29.99
Houston Intercontinental Aprt	17:53	Mostly Cloudy	10	94	73	51	S 9	103 [HI]	29.99
Katy/Brookshire	17:55	Partly Cloudy	8	93	75	56	S 8	105 [HI]	30.01
Texas Medical Center Heliport	17:55	Mostly Clear	10	91	75	59	SSE 14	102 [HI]	29.99
Sugar Land	17:53	Clear	10	92	73	54	S 10	101 [HI]	29.99
Houston Hobby Airport	17:53	Mostly Cloudy	9	91	76	61	SSE 13	103 [HI]	29.99
Arcola/Sienna	17:55	Partly Cloudy	10	92	72	52	SSW 6	100 [HI]	30.02
Pearland	17:53	Partly Cloudy	9	91	75	59	SSE 9	102 [HI]	30.02
Ellington Field	16:54	Partly Cloudy	10	89	77	66	SSE 13	102 [HI]	30.01
La Porte	17:55	Clear	10	89	77	66	S 15	102 [HI]	30.02
Angleton/Lake Jackson	17:53	Clear	10	89	75	63	S 13	99 [HI]	30.02
Galveston	17:52	Mostly Clear	10	87	78	74	S 10	100 [HI]	30.03
Bay City	17:55	Mostly Clear	10	89	81	78	S 12	108 [HI]	29.98
Palacios	17:53	Mostly Clear	10	89	77	67	SSE 14	102 [HI]	30.01
Rig 20 Miles SE of Matagorda	18:00		9	86	78	79	S 12	98 [HI]	30.07

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