Dangerous Heat over the South-Central and Southwest U.S. Through Next Week
Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >
Hazardous Weather Conditions
Current conditions at
Port Lavaca - Calhoun County Airport (KPKV)
Lat: 28.65°NLon: 96.68°WElev: 27ft.
Fair
76°F
24°C
| Humidity | 100% |
| Wind Speed | SW 5 mph |
| Barometer | 29.97 in |
| Dewpoint | 76°F (24°C) |
| Visibility | 9.00 mi |
| Heat Index | 75°F (24°C) |
| Last update | 23 Aug 6:15 am CDT |
Extended Forecast for
4 Miles ENE McFaddin TX
Heat Advisory August 23, 12:00pm until August 23, 08:00pm
Today
High: 99 °F
Hot
Tonight
Low: 75 °F
Mostly Clear
Monday
High: 97 °F
Hot
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 76 °F
Clear
Wednesday
High: 98 °F
Hot
Wednesday Night
Low: 76 °F
Mostly Clear
Thursday
High: 98 °F
Hot
Detailed Forecast
Today
Sunny and hot, with a high near 99. Heat index values as high as 108. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 5 to 11 mph becoming south southeast in the afternoon.
Monday Night
Mostly clear, with a low around 76. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 97. Light south southwest wind becoming south southeast 6 to 11 mph in the morning.
Tuesday Night
Clear, with a low around 76. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 98. South southwest wind 5 to 11 mph.
Wednesday Night
Mostly clear, with a low around 76. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 98. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 76.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ENE McFaddin TX
28.57°N 96.95°W
28.57°N 96.95°W
1:46 am CDT Aug 23, 2026
6am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
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