Houston/Galveston, TX

Weather Forecast Office

NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Mon, May 18, 2026 at 10:58:28 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	22:15	Overcast	10	80	73	78	SSE 13G21	-	29.92
College Station	21:53	Mostly Cloudy	10	81	74	79	SSE 15	-	29.92
Huntsville	21:53	Mostly Cloudy	10	80	75	84	S 10G24	-	29.94
Navasota	22:15	Mostly Cloudy	10	80	79	97	SSE 10	-	29.92
Conroe	22:37	Overcast	9	79	76	90	SSE 10	-	29.97
Hooks Airport	22:00	Light Rain	6	80	75	84	SE 12G18	-	29.94
Intercontinental Airport	21:53	Light Rain	8	81	76	84	SSE 12G20	-	29.94
Houston Hobby Airport	21:53	Mostly Cloudy	8	81	75	82	SSE 15	-	29.94
Sugar Land	21:53	Overcast	10	81	76	84	SE 15G26	-	29.94
Wharton	22:15	Overcast	10	80	75	86	SE 15G20	-	29.94
Pearland	22:34	Overcast	8	80	75	84	SSE 12G20	-	29.97
Ellington Field	21:54	Overcast	10	80	75	83	SE 16	-	29.94
La Porte	22:15	Overcast	10	81	76	84	SSE 16	-	29.97
Angleton/Lake Jackson	21:53							-	29.94
Galveston	22:26	Overcast	10	79	77	93	SSE 21G28	-	29.97
Bay City	22:15	Mostly Clear	10	80	80	100	SE 20G25	-	29.90
Palacios	21:53	Overcast	7	80	77	90	SE 21G30	-	29.90
Rig 20 Miles SE of Galveston	22:15	Mist	4	78	77	94	SE 20	-	29.99
Rig 20 Miles SE of Matagorda	22:20	Mist	5	78	78	100	SE 9G16	-	29.99

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