ISABEL, TX 78578 Weather Forecast & Current Conditions

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78578 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORT ISABEL, TX Current Weather
1:53 AM CDT JUN 9, 2026
Overcast 82°F
Feels Like:	92°F
Dewpoint:	79°F
Rel. Hum.:	91%
Visibility:	9 miles
Wind:	SE at 9 mph
Pressure:	29.96 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

78578 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	ISABEL, TX 78578 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Cloudy this morning, then becoming partly sunny. Patchy fog this morning. Highs in the lower 80s. Southeast winds 5 to 10 mph.

TONIGHT
Mostly cloudy. Lows in the upper 60s. East winds 5 to 10 mph, becoming south after midnight.

WEDNESDAY
Partly sunny in the morning, then clearing. Breezy with highs around 90. Southwest winds 5 to 10 mph, increasing to southeast 20 to 25 mph with gusts up to 35 mph in the afternoon.

WEDNESDAY NIGHT
Mostly clear and breezy and less humid with lows in the mid 60s. Northeast winds 15 to 25 mph with gusts up to 40 mph.

THURSDAY
Sunny, breezy and much cooler with highs in the mid 70s. Northeast winds 15 to 25 mph with gusts up to 35 mph.

THURSDAY NIGHT
Partly cloudy. Lows in the upper 50s.

FRIDAY
Sunny. Highs in the mid 70s.

FRIDAY NIGHT AND SATURDAY
Partly cloudy and breezy. Lows around 60. Highs in the upper 70s.

SATURDAY NIGHT THROUGH SUNDAY NIGHT
Partly cloudy and windy. Lows in the upper 60s. Highs in the upper 70s.

MONDAY
Partly sunny and breezy. Highs in the lower 80s.

78578 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ISABEL, TX 78578

Infrared Weather Satellite
ISABEL, TX 78578

78578 WEATHER RADAR LOOP

NEXRAD Weather Radar
ISABEL, TX 78578

MOS COMPUTER WEATHER FORECAST

PORT ISABEL, TX 3 hourly weather forecast

weather forecast created 6:00 PM MDT 6/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
9 JUN 2026

1 AM

83°

93°

Mostly Cloudy

6%

0% Thunder
( 8% severe)

SE 13

85%

78°

Low 81°

4 AM

83°

93°

Mostly Cloudy

SE 10

85%

78°

High 89°

7 AM

82°

90°

Mostly Cloudy

4%

0% Thunder
( 8% severe)

SE 10

85%

77°

Partly Cloudy

10 AM

87°

99°

Partly Cloudy

SE 13

72%

77°

1 PM

89°

102°

Partly Cloudy

1%

0% Thunder
( 6% severe)

ESE 15

68%

77°

4 PM

88°

100°

Partly Cloudy

ESE 16

70%

77°

7 PM

85°

96°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 7% severe)

ESE 15

77%

77°

10 PM

83°

92°

Partly Cloudy

ESE 13

82%

77°

Wednesday
10 JUN 2026

1 AM

83°

93°

Partly Cloudy

6%

0% Thunder
( 9% severe)

SE 12

85%

78°

Low 81°

4 AM

82°

90°

Partly Cloudy

SE 10

85%

77°

High 90°

7 AM

82°

90°

Partly Cloudy

1%

0% Thunder
( 13% severe)

SE 10

85%

77°

Partly Cloudy

10 AM

88°

100°

Partly Cloudy

SE 14

70%

77°

1 PM

89°

103°

Partly Cloudy

1%

0% Thunder
( 20% severe)

SE 17

70%

78°

4 PM

89°

103°

Partly Cloudy

ESE 18

70%

78°

7 PM

86°

98°

Partly Cloudy

1%

0% Thunder
( 9% severe)

ESE 17

77%

78°

10 PM

84°

95°

Partly Cloudy

SE 15

82%

78°


PORT ISABEL, TX extended weather forecast
Thursday 11 JUN 2026	Friday 12 JUN 2026	Saturday 13 JUN 2026	Sunday 14 JUN 2026	Monday 15 JUN 2026
Low 80°	Low 80°	Low 80°	Low 78°	Low 80°
High 92°	High 89°	High 89°	High 91°	High 92°

Partly Cloudy 25% Rain	Mostly Cloudy 56% Rain	Overcast 71% Rain	Mostly Cloudy 39% Rain	Partly Cloudy 33% Rain

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