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

Last Map Update: Thu, May 21, 2026 at 11:16:29 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
Caldwell10:35Overcast10736883CALM-29.97
College Station10:53Partly Cloudy10746984NE 6-29.95
Huntsville10:53Overcast8747190CALM-29.97
Navasota10:55Partly Cloudy107474100ESE 8-29.93
Conroe10:53Overcast8737193SE 6-29.97
Hooks Airport10:53Overcast7747190SE 6-29.96
Intercontinental Airport10:53Overcast10747190SE 10-29.96
Houston Hobby Airport10:53Light Rain \ Mist \ Lightning Observed5747293SE 10-29.95
Sugar Land10:53Light Rain \ Mist \ Lightning Observed6737296ESE 7-29.95
Wharton01:10Light Rain5686693N 17G24-30.08
Pearland10:53Light Rain \ Mist \ Lightning Observed4747293SE 7-29.97
Ellington Field10:54Light Rain \ Mist5737194SE 7-29.95
La Porte10:35Lightning Observed10747293SE 6-29.98
Angleton/Lake Jackson10:53Thunder In The Vicinity \ Mist \ Lightning Observed5737296S 8-29.97
Galveston10:52Light Rain With Thunder \ Mist \ Lightning Observed5757496S 3-30.00
Bay City10:55Light Rain \ Mist \ Lightning Observed37171100E 6-29.90
Palacios10:53Light Rain10706996E 9-29.90
Rig 20 Miles SE of Galveston10:55Mostly Cloudy8777388ESE 9-30.00
Rig 20 Miles SE of Matagorda11:00Mist67373100NE 28G35-29.92


 
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