Houston/Galveston, TX

Weather Forecast Office

NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Mon, May 18, 2026 at 8:44:25 pm CDT

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Flood Warning

Small Craft Advisory

Rip Current Statement

Radar

Severe Storms Possible Tuesday Night

Increasing Rain Chances Tuesday through Wednesday

Additional Rainfall Late This Week

Extended Weather Outlook

High Risk of Rip Currents

Small Craft Advisory

Current radar loop for Houston, TX.

A cluster of thunderstorms is expected to develop across central and northeast Texas Tuesday afternoon. This cluster of storms is expected to move across southeast Texas Tuesday evening through early Wednesday morning. Some of these storms will be capable of becoming strong to severe, mainly Tuesday night.

A cluster of thunderstorms is expected to move across southeast Texas late Tuesday into Wednesday morning. Rainfall amounts will average 1 to 3 inches with locally higher totals mainly north of I-10. Areawide Marginal Risk (level 1 of 4) of Excessive Rainfall.

Unsettled pattern will lead to continued high chances for showers and thunderstorms, with additional rounds of moderate to heavy rainfall. This rainfall will generate runoff and river responses, especially where we see repeated heavy rainfall over the same locations.

High rain chances through the weekend. Temperatures near normal through the weekend.

There is a high risk of rip currents along all Gulf facing beaches through Tuesday evening. Stay away from rocks and swim near a life guard.

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 30 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	19:35	Partly Cloudy	10	84	73	70	SSE 15G23	-	29.88
College Station	19:53	Mostly Clear	10	85	74	69	SSE 15	92 [HI]	29.87
Huntsville	19:53	Partly Cloudy	10	82	74	76	SSE 14G24	-	29.92
Navasota	20:15	Partly Cloudy	9	83	79	87	SSE 17G23	94 [HI]	29.89
Conroe	19:53	Overcast	9	81	75	82	SE 9G20	-	29.93
Hooks Airport	19:53	Haze	6	82	74	76	SE 10G18	-	29.91
Intercontinental Airport	19:53	Overcast	9	82	76	81	SSE 16G24	-	29.92
Houston Hobby Airport	19:53	Overcast	8	82	75	79	SSE 12	-	29.91
Sugar Land	19:53	Overcast	8	81	76	84	SSE 13	-	29.91
Wharton	20:15	Overcast	7	81	75	84	SE 13G18	-	29.90
Pearland	19:53	Overcast	7	81	75	82	SSE 12	-	29.94
Ellington Field	19:54	Overcast	7	82	75	78	SE 16	-	29.91
La Porte	19:35	Overcast	10	81	76	83	SSE 14	-	29.93
Angleton/Lake Jackson	19:53	Overcast	9	81	76	84	SSE 13	-	29.92
Galveston	19:52	Overcast	8	80	77	90	SE 18	-	29.93
Bay City	20:15	Mostly Clear	10	81	80	99	SE 14	91 [HI]	29.87
Palacios	19:53	Mist	6	81	77	87	SE 21G30	-	29.88
Rig 20 Miles SE of Galveston	20:15	Mist	3	78	77	94	SE 24	-	29.96
Rig 20 Miles SE of Matagorda	20:20	Mist	3	78	80	106	SE 15	-	29.94

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