National Weather Service United States Department of Commerce
Click a location below for detailed forecast.

Last Map Update: Thu, May 21, 2026 at 10:18:26 am CDT

Current radar loop for Houston, TX.
Multiple rounds of showers and thunderstorms containing moderate to heavy rainfall expected through the weekend. Locally heavy rainfall capable of at least minor flooding is expected. River rises to action and minor flood state expected by the weekend.
A Flood Watch is in effect from Thursday morning through Monday morning for portions of southeast Texas, including Jackson, Matagorda, Wharton, Fort Bend, Brazoria, and Galveston counties. Impacts include excessive runoff resulting in flooding of creeks, streams, and other low-lying and flood prone locations.
Unsettled pattern will lead to continued chances for showers and thunderstorms, with additional rounds of moderate to heavy rainfall. Periods of locally heavy rainfall are expected, through the weekend. Rainfall rates will peak in the 3-4+” per hour range in the heaviest downpours. This rainfall will generate runoff and river responses, especially where we see repeated heavy rainfall over the same locations leading to street flooding and river flooding potential through the weekend.



 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Crockett01:35Rain \ Mist \ Lightning Observed36666100CALM-30.09
Caldwell09:35Clear10716683E 6-29.96
College Station09:53Mostly Cloudy10736884ENE 3-29.95
Huntsville09:53Mostly Cloudy9737090ESE 6-29.95
Navasota09:55Mostly Cloudy97272100CALM-29.93
Conroe09:53Overcast7727196ESE 6-29.95
Hooks Airport09:53Mist6737090E 5-29.94
Intercontinental Airport09:53Overcast10737193SE 7-29.95
Houston Hobby Airport09:53Mist6747190E 5-29.95
Sugar Land09:53Light Rain7737296ESE 3-29.93
Wharton01:10Light Rain5686693N 17G24-30.08
Pearland09:53Light Rain7747293SE 3-29.98
Ellington Field09:54Overcast7737194ENE 6-29.95
La Porte09:35Lightning Observed10747192ENE 3-29.96
Angleton/Lake Jackson09:53Thunder In The Vicinity \ Mist \ Lightning Observed3737296SW 5-29.99
Galveston09:52Light Rain \ Lightning Observed7757496N 3-29.97
Bay City09:55Rain \ Mist37171100SSW 9-29.96
Palacios09:53Rain \ Mist \ Lightning Observed5706996N 5-29.98
Rig 20 Miles SE of Galveston09:55Partly Cloudy10777183CALM-29.96
Rig 20 Miles SE of Matagorda10:00Mist17373100N 3-30.04


 
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