Houston/Galveston, TX

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NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Wed, Sep 30, 2026 at 9:22:26 pm CDT

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Tonight

Thursday

Excessive Rainfall Outlook: Thursday/Friday

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Current radar

Partly cloudy warm and muggy with isolated showers western areas and near the coast.

Expect scattered to numerous showers and t-storms with locally heavy rainfall possible especially over the Brazos Valley and western counties.

Locally heavy rainfall could result in minor flooding. The greatest risk of flooding will remain over the far western counties and Brazos Valley.

The rainfall threat continues through the weekend and into the start of the work week. On Thursday-Friday, the main threat remains in portions of the Brazos Valley. On Saturday-Monday, the main threat will be along the coast.

High rain chances will continue across SE TX through the weekend as deep moisture remains in place and a slow moving front crosses the region. Slightly cooler and drier weather are expected early to mid next week behind the front.

Expect southeast winds to increase to 20 to 25 knots overnight with seas building to 5 to 7 feet.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	20:55	Clear	10	86	70	58	SSE 12G17	91 [HI]	29.82
College Station	20:53	Clear	10	86	70	58	SSE 15G24	91 [HI]	29.79
Caldwell	20:35	Partly Cloudy	10	86	71	62	SSE 16G24	91 [HI]	29.79
Huntsville	20:53	Clear	10	84	72	67	SSE 12	-	29.82
Navasota	20:55	Partly Cloudy	10	85	71	64	SSE 10	-	29.79
Brenham	20:55	Clear	10	84	72	67	SSE 9	-	29.80
Conroe	20:53	Clear	10	82	74	76	SE 8	-	29.83
Cleveland	20:55	Clear	10	79	74	82	CALM	-	29.85
Liberty	20:55	Clear	10	80	77	88	SE 7	-	29.82
Columbus	20:55	Mostly Cloudy	10	83	75	76	SSE 3	91 [HI]	29.83
Spring	20:53	Clear	10	83	74	74	VRB 7	-	29.82
Houston Intercontinental Aprt	20:53	Mostly Cloudy	10	84	75	74	SE 16	92 [HI]	29.82
Katy/Brookshire	20:55	Partly Cloudy	10	82	75	78	SSE 9	-	29.84
Texas Medical Center Heliport	20:55	Mostly Cloudy	10	82	75	78	SE 15	-	29.81
Sugar Land	20:53	Mostly Clear	10	83	75	77	SE 8	-	29.82
Houston Hobby Airport	20:53	Mostly Cloudy	10	84	75	74	SE 8	92 [HI]	29.81
Arcola/Sienna	20:55	Clear	10	81	75	83	CALM	-	29.83
Pearland	20:53	Clear	10	84	75	74	SE 7	92 [HI]	29.83
Ellington Field	20:54	Mostly Clear	10	84	75	74	ESE 17	92 [HI]	29.80
La Porte	20:55	Partly Cloudy	10	84	77	79	SE 17	94 [HI]	29.82
Wharton	20:55	Partly Cloudy	10	82	76	82	SE 7	-	29.83
Galveston	07:46	Mostly Clear	10	82	73	74	SE 8	-	29.90
Bay City	20:55	Clear	10				ESE 7	-	29.78
Palacios	20:53	Light Rain	10	84	78	82	SE 12	95 [HI]	29.80
Rig 20 Miles SE of Galveston	20:55	Partly Cloudy	10	84	77	79	ESE 24	94 [HI]	29.84
Rig 20 Miles SE of Matagorda	20:55	Partly Cloudy	10	86	78	79	SE 9G18	98 [HI]	29.84

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