Alerts
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| Heat Advisory issued July 21 at 12:38AM CDT until July 21 at 8:00PM CDT by NWS Fort Worth TX | ||
| NWS Fort Worth TX | ||
| Category | Certainty | Severity |
| Met | Likely | Moderate |
| Status | Urgency | Category |
| Actual | Expected | Met |
| Effective | Ends | Expires |
| 07/21/2026 12:38 AM | 07/21/2026 08:00 PM | 07/21/2026 02:00 PM |
* WHAT...Heat index values up to 108 and temperatures up to 103.
* WHERE...Portions of north central, northeast, and south central
Texas.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity will increase the risk
for heat-related illnesses to occur, particularly for those working
or participating in outdoor activities.
|
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Hourly Forecast
Tue, 09:00 AM
SunnyWinds: 5 mph WSW
Tue, 10:00 AM
SunnyWinds: 5 mph W
Tue, 11:00 AM
SunnyWinds: 5 mph W
Tue, 12:00 PM
SunnyWinds: 5 mph WNW
Tue, 01:00 PM
SunnyWinds: 5 mph WNW
Tue, 02:00 PM
SunnyWinds: 5 mph NW
Tue, 03:00 PM
SunnyWinds: 0 mph
Tue, 04:00 PM
SunnyWinds: 0 mph
Tue, 05:00 PM
SunnyWinds: 0 mph
Tue, 06:00 PM
Mostly ClearWinds: 0 mph
Tue, 07:00 PM
Mostly ClearWinds: 5 mph ESE
Tue, 08:00 PM
ClearWinds: 0 mph
Tue, 09:00 PM
ClearWinds: 0 mph
Tue, 10:00 PM
ClearWinds: 5 mph S
Tue, 11:00 PM
ClearWinds: 5 mph S
Wed, 12:00 AM
ClearWinds: 5 mph S
Wed, 01:00 AM
ClearWinds: 5 mph SSW
Wed, 02:00 AM
Mostly ClearWinds: 5 mph SW
Wed, 03:00 AM
ClearWinds: 0 mph
Wed, 04:00 AM
ClearWinds: 5 mph W
Wed, 05:00 AM
ClearWinds: 0 mph
Wed, 06:00 AM
SunnyWinds: 5 mph NW
Wed, 07:00 AM
SunnyWinds: 5 mph NW
Wed, 08:00 AM
SunnyWinds: 5 mph NW
Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays.
Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves.along with the occasional height of the average highest 10 percent of the waves. High pressure over the western Gulf continues to bring light to moderate west-southwest breezes over the waters with seas around 2 to 3 feet. This should continue through Wednesday before influence from Tropical Storm Bertha potentially begins. There remains high uncertainty in the forecast track and intensity of Bertha, though the official forecast calls for weakening back to a depression late in the week. Given this, significant impacts in our waters is not expected, but some impact to small craft is possible if higher winds and seas materialize, mainly offshore.