NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Mon, May 18, 2026 at 7:04:25 am CDT

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Increasing Rainfall Chances

Increasing Rain Chances Tuesday Onward

Small Craft Advisory

Current radar loop for Houston, TX.

Rain chances will increase significantly starting Tuesday and lasting through next weekend with several rounds of showers and thunderstorms expected. Otherwise expect lots of cloud cover and near normal temperatures through the week.

An unsettled weather pattern will result in increasing chances of showers and thunderstorms beginning Tuesday afternoon into Wednesday and lasting through the end of the week. Periods of locally heavy rainfall will be possible especially north of I-10.

A Small Craft Advisory is now in effect until Tuesday morning from High Island to Matagorda Ship Channel out 60 nautical miles, including Galveston Bay and Matagorda Bay. Winds will be out of the southeast at 20 kts. with gusts to 25 kts. Seas will be 5-8 ft with rough bay waters.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Crockett	01:35	Rain \ Mist \ Lightning Observed	3	66	66	100	CALM	-	30.09
Caldwell	05:55	Clear	10	77	71	83	SSE 15G20	-	29.86
College Station	05:53	Mostly Cloudy	10	78	73	84	SSE 10	-	29.86
Huntsville	05:53	Overcast	10	78	72	81	S 13	-	29.88
Navasota	06:15	Overcast	10	78	77	97	SSE 10G20	-	29.87
Conroe	05:53	Overcast	10	78	73	84	SSE 16G23	-	29.88
Hooks Airport	05:53	Mostly Cloudy	8	78	73	84	SSE 12G29	-	29.86
Intercontinental Airport	05:53	Mostly Cloudy	10	79	73	82	SSE 21G36	-	29.87
Houston Hobby Airport	05:53	Overcast	8	79	74	84	SSE 18	-	29.87
Sugar Land	05:53	Overcast	10	79	74	84	SSE 17	-	29.88
Wharton	06:15	Overcast	10	78	74	86	SE 10	-	29.89
Pearland	05:53	Overcast	8	79	74	84	SSE 15G22	-	29.89
Ellington Field	05:54	Mostly Cloudy	7	78	75	88	SE 15G21	-	29.87
La Porte	05:55	Mostly Cloudy	10	79	74	86	SSE 16G22	-	29.89
Angleton/Lake Jackson	05:53							-	29.88
Galveston	05:52	Overcast	10	79	75	87	SE 20	-	29.90
Bay City	06:15	Partly Cloudy	10	79	79	100	SE 17G25	-	29.85
Palacios	05:53	Overcast	7	79	76	90	SE 18G29	-	29.84
Rig 20 Miles SE of Galveston	06:15	Mist	5	78	75	88	SE 28	-	29.92
Rig 20 Miles SE of Matagorda	06:20	Mist	6	78	78	100	SE 20	-	29.91

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