Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 1, 12:00 PM CDT until August 1, 07:00 PM CDT

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Partly Cloudy

96°F

36°C

Humidity	63%
Wind Speed	S 14 G 21 mph
Barometer	29.86 in
Dewpoint	81°F (27°C)
Visibility	10.00 mi
Heat Index	119°F (48°C)
Last update	1 Aug 3:35 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

7 Miles NW Port O Connor TX

Heat Advisory until August 1, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 1, 07:00pm
NOW until 7:00pm Sat
Heat Advisory
This Afternoon
High: 91 °F
Sunny
Tonight
Low: 82 °F
Mostly Clear
then Slight
Chance
T-storms
Sunday
High: 91 °F
Slight Chance
T-storms then
Mostly Sunny
Sunday Night
Low: 81 °F
Partly Cloudy
Monday
High: 90 °F
Sunny
Monday Night
Low: 82 °F
Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 82 °F
Clear

Detailed Forecast

This Afternoon

Sunny, with a high near 91. Heat index values as high as 106. South wind around 15 mph.

Tonight

A 10 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 82. South wind 10 to 15 mph, with gusts as high as 21 mph.

Sunday

A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91. Heat index values as high as 105. West wind 6 to 11 mph becoming south in the afternoon.

Sunday Night

Partly cloudy, with a low around 81. South southwest wind 9 to 11 mph.

Monday

Sunny, with a high near 90. Southwest wind 7 to 14 mph.

Monday Night

Clear, with a low around 82. South wind 11 to 14 mph, with gusts as high as 18 mph.

Tuesday

Sunny, with a high near 90. South southeast wind 10 to 14 mph.

Tuesday Night

Clear, with a low around 82. South southeast wind 10 to 13 mph, with gusts as high as 18 mph.

Wednesday

Sunny, with a high near 90. South wind 9 to 13 mph.