Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 26, 12:00 PM CDT until August 26, 07:00 PM CDT

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

95°F

35°C

Humidity	52%
Wind Speed	Vrbl 7 mph
Barometer	29.99 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	107°F (42°C)
Last update	26 Aug 12:55 pm CDT

More Information:

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

Extended Forecast for

Port O Connor TX

Heat Advisory until August 26, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 26, 07:00pm
NOW until 7:00pm Wed
Heat Advisory
This Afternoon
High: 91 °F
Sunny
Tonight
Low: 82 °F
Mostly Clear
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 81 °F
Mostly Clear
Friday
High: 91 °F
Chance
T-storms
Friday Night
Low: 81 °F
Partly Cloudy
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 81 °F
Clear

Detailed Forecast

This Afternoon

Sunny, with a high near 91. Heat index values as high as 106. South wind 8 to 10 mph.

Tonight

Mostly clear, with a low around 82. South wind 9 to 11 mph.

Thursday

Sunny, with a high near 91. Heat index values as high as 105. West southwest wind 7 to 11 mph becoming south in the afternoon.

Thursday Night

Mostly clear, with a low around 81. South wind 7 to 11 mph.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph becoming south southeast in the afternoon.

Friday Night

Partly cloudy, with a low around 81. South southeast wind 5 to 10 mph becoming light south after midnight.

Saturday

Sunny, with a high near 90. Light and variable wind becoming southeast 5 to 10 mph in the morning.

Saturday Night

Clear, with a low around 81. Southeast wind 6 to 10 mph.

Sunday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Light south wind becoming southeast 6 to 11 mph in the morning.

Sunday Night

Mostly clear, with a low around 82.

Monday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.

Monday Night

Mostly clear, with a low around 82.

Tuesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.