NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Thu, Oct 1, 2026 at 2:08:16 pm CDT

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Thursday

Excessive Rainfall Outlook

Tonight

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Extended Outlook

Current radar

Expect scattered showers and thunderstorms. Overall chances and coverage increase across the Brazos Valley late.

Locally heavy rainfall could result in minor flooding. The greatest risk of flooding will remain over the far western counties and Brazos Valley. Let's keep an eye on coastal locations this weekend.

Scattered showers and thunderstorms, more numerous across western parts of the region.

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.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	13:15	Rain With Thunder \ Lightning Observed	4	80	76	87	CALM	-	29.83
College Station	13:30	Lightning Observed	10	87	77	72	SSW 3	99 [HI]	29.79
Caldwell	13:15	Lightning Observed	10	89	75	62	SSE 12	99 [HI]	29.80
Huntsville	12:53	Lightning Observed	10	92	73	54	SSE 13G22	101 [HI]	29.82
Navasota	13:35	Lightning Observed	8	91	75	59	SSW 24G31	101 [HI]	29.78
Brenham	13:35	Thunder In The Vicinity \ Lightning Observed	10	83	77	83	ESE 10	92 [HI]	29.79
Conroe	12:53	Lightning Observed	10	89	75	63	SSW 15G26	99 [HI]	29.84
Cleveland	13:35	Thunder \ Lightning Observed	7	78	75	91	SSW 6	-	29.86
Liberty	13:35	Lightning Observed	9	93	75	56	S 12G23	105 [HI]	29.82
Columbus	13:35	Lightning Observed	10	94	76	56	S 9	107 [HI]	29.79
Spring	12:53	Lightning Observed	10	84	78	82	SSE 10G18	95 [HI]	29.84
Houston Intercontinental Aprt	13:12	Light Rain \ Cumulonimbus Clouds Observed	10	79	76	90	S 8	-	29.84
Katy/Brookshire	13:35	Mostly Cloudy	9	82	78	88	ESE 8G14	91 [HI]	29.83
Texas Medical Center Heliport	13:35	Lightning Observed	10	82	77	83	SE 10	-	29.82
Sugar Land	12:53	Lightning Observed	10	89	77	67	SE 13G18	102 [HI]	29.81
Houston Hobby Airport	12:53	Light Rain \ Lightning Observed	7	79	75	87	W 9	-	29.83
Arcola/Sienna	13:35	Mostly Cloudy	10	89	78	70	S 7	103 [HI]	29.82
Pearland	12:53	Lightning Observed	10	91	75	59	SSE 17G28	102 [HI]	29.84
Ellington Field	12:54	Lightning Observed	10	89	75	62	SE 18G29	99 [HI]	29.82
La Porte	13:15	Lightning Observed	10	87	75	66	SSE 16G21	96 [HI]	29.84
Wharton	13:35	Mostly Cloudy	10	92	76	59	SSE 18G22	106 [HI]	29.80
Galveston	07:46	Mostly Clear	10	82	73	74	SE 8	-	29.90
Bay City	13:35	Mostly Clear	10				SE 20G25	-	29.77
Palacios	13:08	Light Rain	10	91	78	65	SSE 17G26	106 [HI]	29.79
Rig 20 Miles SE of Galveston	13:35	Mostly Clear	10	86	77	74	SE 16	97 [HI]	29.86
Rig 20 Miles SE of Matagorda	13:35	Mostly Clear	10	87	78	74	SSE 16	100 [HI]	29.85

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