NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Fri, Sep 4, 2026 at 7:48:20 am CDT

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Excessive Rainfall Outlook

Friday

Friday Night

Extended Outlook

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Lingering moisture continues to bring daily chances of isolated to scattered showers/storms. Some of these storms may be capable of producing locally heavy rainfall in localized areas. Grounds in areas east of I-45 remain very saturated from previous rounds of rainfall. There is a Marginal Risk (level 1 of 4) of Excessive Rainfall for most of Southeast Texas today and Saturday.

Highs in the low to mid 90s. Scattered showers and thunderstorms. Increased coverage of showers and storms near and south of I-10. Light southeasterly winds.

Some scattered showers developing offshore early Saturday morning. Lows in the 70s inland...low 80s beaches. Light winds.

Daily chances for showers and thunderstorms continues going into next week. This keeps high temperatures relegated to mostly the low to mid 90s.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	06:55	Partly Cloudy	7	78	77	97	E 3	-	29.95
College Station	06:53	Mostly Clear	10	79	78	97	ESE 5	-	29.93
Caldwell	06:55	Overcast	10	78	77	94	ESE 3	-	29.94
Huntsville	06:53	Clear	8	77	77	100	CALM	-	29.95
Navasota	07:15	Overcast	8	79	79	100	SSE 3	-	29.92
Brenham	07:15	Mostly Cloudy	10	79	77	94	CALM	-	29.93
Conroe	07:16	Mist	2	76	76	100	CALM	-	29.95
Cleveland	07:15	Haze	5				CALM	-	29.96
Liberty	07:15	Mist	6	77	77	100	VRB 3	-	29.93
Columbus	07:15	Clear	10	79	78	97	CALM	-	29.93
Spring	07:01	Mist	5	77	77	100	CALM	-	29.93
Houston Intercontinental Aprt	06:53	Mostly Cloudy	7	78	78	100	ESE 3	-	29.92
Katy/Brookshire	07:15	Clear	9	80	80	100	CALM	-	29.94
Texas Medical Center Heliport	07:15	Clear	8	80	78	94	ESE 5	-	29.92
Sugar Land	06:53	Clear	10	80	78	93	E 3	-	29.92
Houston Hobby Airport	06:53	Mostly Cloudy	10	81	78	90	E 5	-	29.91
Arcola/Sienna	07:15	Clear	10	80	78	95	CALM	-	29.93
Pearland	06:53	Clear	10	80	77	90	CALM	-	29.93
Ellington Field	06:54	Mostly Clear	10	78	77	94	NE 3	-	29.91
La Porte	06:55	Partly Cloudy	10	80	78	94	CALM	-	29.93
Wharton	07:15	Overcast	10	80	76	89	E 5	-	29.93
Angleton/Lake Jackson	06:53	Clear	10	79	78	97	CALM	-	29.91
Galveston	06:52	Lightning Observed	10	83	78	85	CALM	93 [HI]	29.93
Bay City	07:15	Mostly Cloudy	9	78	78	100	NE 5	-	29.88
Palacios	06:53	Mostly Cloudy	10	83	80	91	WSW 5	95 [HI]	29.90
Rig 20 Miles SE of Matagorda	07:20		10	84	78	83	SSW 15	95 [HI]	29.95

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