NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Tue, May 26, 2026 at 7:50:24 am CDT

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There are no watches, warnings, or advisories at this time.

Heavy Rainfall Risk Mid Week

Today's Outlook

Tonight's Outlook

Forecast Rainfall Totals

Chance of showers and thunderstorms returns this week. Slight Excessive Rainfall Risk (level 2 of 4) for the western portion of our region on Tuesday. Marginal Excessive Rainfall Risk (level 1 of 4) For the eastern part of the region on Tuesday. Slight Excessive Rainfall Risk (Level 2 of 4) for the entire area on Wednesday. Localized flash flooding is the most likely impact if repeated strong storms move over the same area.

Partly cloudy with a chance for showers and thunderstorms this afternoon., Highs in the mid to upper 80's area-wide. Winds generally out of the south-southeast.

Low temperatures in the upper 60s to 70s. Showers and thunderstorms expected overnight. Locally heavy downpours with some showers and storms could lead to instances of flash flooding.

The threat of heavy rainfall arrives once again mid-week. While isolated to scattered showers and thunderstorms are expected Tuesday through Thursday, the main time frame for heavy rainfall will be past midnight on Tuesday into Wednesday morning. Wide spread totals of 1-2" are forecast, with isolated amounts of up to 3-5" possible. Because of last week's rainfall, soils are already primed. Additional rainfall may lead to runoff and potential street flooding.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Crockett	07:35	Mist	3	69	69	100	CALM	-	29.91
Caldwell	07:15	Clear	7	68	68	100	CALM	-	29.93
College Station	06:53	Clear	10	71	67	86	CALM	-	29.89
Huntsville	06:53	Mostly Clear	9	69	66	89	NE 3	-	29.89
Navasota	07:35	Overcast	9	70	70	100	CALM	-	29.91
Conroe	07:37	Mist	5	71	70	96	CALM	-	29.92
Hooks Airport	06:53	Mist	5	70	69	96	CALM	-	29.89
Intercontinental Airport	07:27	Partly Cloudy	10	73	72	96	CALM	-	29.90
Houston Hobby Airport	06:53	Partly Cloudy	10	73	71	93	CALM	-	29.88
Sugar Land	06:53	Partly Cloudy	10	71	71	100	CALM	-	29.88
Wharton	01:10	Light Rain	5	68	66	93	N 17G24	-	30.08
Pearland	06:53	Clear	10	72	70	93	CALM	-	29.89
Ellington Field	05:54	Clear	10	71	71	100	NE 5	-	29.85
La Porte	07:15	Partly Cloudy	10	72	71	96	CALM	-	29.90
Angleton/Lake Jackson	06:53	Clear	10	69	69	100	CALM	-	29.87
Galveston	06:52	Partly Cloudy	10	77	72	84	SE 8	-	29.88
Bay City	07:35	Mostly Clear	10	73	73	100	CALM	-	29.86
Palacios	06:53	Clear	10	73	71	93	CALM	-	29.87
Rig 20 Miles SE of Galveston	07:35	Mostly Clear	10	78	73	83	ESE 9	-	29.90
Rig 20 Miles SE of Matagorda	07:40		10	78	75	88	SE 7	-	29.92

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