NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Mon, Aug 24, 2026 at 11:04:40 am CDT

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Extreme Heat Warning

Heat Advisory

Monday’s Outlook

Monday Night's Outlook

The Outlook Ahead

Partial Lunar Eclipse

A Heat Advisory remains in effect for peak heat index readings between 106°-110°F until 7 PM Monday. This advisory may need to be extended later in the week.

Hot and humid with light to moderate southwest to southeast winds. Daytime highs inland from 99°F to 103°F with the beaches from 94°F to 98°F. The heat indices are anticipated between 106°F to 110°F.

Warm conditions to continue with light southwest winds and lows in the mid 70s to lower 80s.

Hot and humid conditions continue with high temperatures mostly in the upper 90s to triple digits. Max Heat indices are expected to reach 106-112 degrees. Isolated to scattered showers and storms are expected during the second half of the work week. Please continue to practice heat safety by checking on the elderly, children, and pets, staying cool and hydrated, and wearing light-weight, light-colored clothing.

Save the date for the Partial Lunar Eclipse, happening on August 27-28! You will be able to view the eclipse right here in SE TX with your own eyes, no eclipse glasses needed :) Look for the bright and shadowed parts of the moon, along with a copper/orange tint 🌕🌖🌗🌘

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	10:15	Clear	10	88	73	61	SW 7	95 [HI]	30.05
College Station	09:53	Clear	10	86	74	67	SW 14	94 [HI]	30.01
Caldwell	10:15	Clear	10	87	71	58	SW 12	93 [HI]	30.03
Huntsville	09:53	Mostly Clear	10	84	75	74	WSW 9	92 [HI]	30.03
Navasota	10:35	Mostly Clear	9	89	78	70	WSW 9	104 [HI]	30.01
Brenham	10:35	Mostly Cloudy	10	87	74	63	SSW 12	96 [HI]	30.03
Conroe	10:13	Mostly Clear	10	86	75	69	WSW 12	95 [HI]	30.03
Cleveland	10:35	Mostly Cloudy	10				WSW 5	-	30.04
Liberty	10:35	Clear	9	87	77	70	VRB 7	99 [HI]	30.01
Columbus	10:35	Mostly Cloudy	10	89	75	63	WSW 7	99 [HI]	30.05
Spring	10:00	Mostly Cloudy	7	83	76	79	WSW 10G17	91 [HI]	30.02
Houston Intercontinental Aprt	09:53	Partly Cloudy	10	86	76	72	WSW 9	96 [HI]	30.01
Katy/Brookshire	10:35	Mostly Clear	8	87	77	70	WSW 13	99 [HI]	30.04
Texas Medical Center Heliport	10:35	Mostly Cloudy	10	86	75	70	W 14	95 [HI]	30.01
Sugar Land	09:53	Mostly Clear	10	89	77	67	SW 14	102 [HI]	30.01
Houston Hobby Airport	09:53	Partly Cloudy	10	85	77	77	SW 13	95 [HI]	30.00
Arcola/Sienna	10:35	Mostly Cloudy	10	90	76	63	W 8	101 [HI]	30.04
Pearland	09:53	Partly Cloudy	9	86	77	74	SW 7	97 [HI]	30.02
Ellington Field	09:54	Clear	10	87	77	70	SW 8	99 [HI]	29.99
La Porte	10:15	Partly Cloudy	10	86	77	74	SW 9	97 [HI]	30.03
Wharton	10:35	Mostly Cloudy	10	88	75	65	SSW 12	99 [HI]	30.03
Angleton/Lake Jackson	09:53	Mostly Clear	10	88	77	70	SW 9	100 [HI]	30.01
Galveston	09:52	Mostly Clear	10	87	76	69	SW 13	98 [HI]	30.02
Bay City	10:35	Lightning Observed	10	88	79	74	W 9	104 [HI]	29.98
Palacios	09:53	Partly Cloudy						-	30.00
Rig 20 Miles SE of Matagorda	10:40		10	86	78	79	SSW 13	98 [HI]	30.07

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