BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
12:53 AM CDT JUN 16, 2026
Broken Clouds 79°F
Feels Like:	83°F
Dewpoint:	75°F
Rel. Hum.:	88%
Visibility:	10 miles
Wind:	Calm
Pressure:	29.84 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

78521 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	BROWNSVILLE, TX 78521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Showers with thunderstorms likely. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Lows in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

TUESDAY
A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

TUESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

WEDNESDAY
Mostly sunny. Warmer with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 112 in the afternoon.

WEDNESDAY NIGHT
Mostly clear. Humid with lows in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110 early in the evening.

THURSDAY
Sunny. Highs in the mid 90s. Heat index values up to 120.

THURSDAY NIGHT
Mostly clear. Lows in the lower 80s. Heat index values up to 115 early in the evening.

JUNETEENTH
Mostly sunny. Highs in the mid 90s. Heat index values up to 120.

FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 80s. Heat index values up to 110 early in the evening.

SATURDAY
Partly sunny. Highs in the lower 90s. Heat index values up to 110.

SATURDAY NIGHT
Partly cloudy. Lows in the lower 80s. Heat index values up to 105 early.

SUNDAY
Mostly sunny. Highs in the lower 90s. Heat index values up to 110.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 80s.

78521 WEATHER SATELLITE LOOPS

Visible Weather Satellite
BROWNSVILLE, TX 78521

Infrared Weather Satellite
BROWNSVILLE, TX 78521

78521 WEATHER RADAR LOOP

NEXRAD Weather Radar
BROWNSVILLE, TX 78521

MOS COMPUTER WEATHER FORECAST

BROWNSVILLE, TX 3 hourly weather forecast

weather forecast created 7:00 PM CDT 6/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
16 JUN 2026

1 AM

83°

94°

Mostly Cloudy

90%
RAIN
***

0% Thunder
( 59% severe)

SSE 12

88%

79°

Low 77°

4 AM

80°

86°

Mostly Cloudy

S 12

91%

77°

High 86°

7 AM

80°

85°

Mostly Cloudy

79%
RAIN
***

0% Thunder
( 44% severe)

S 14

88%

76°

Mostly Cloudy

Rain Likely

10 AM

78°

81°

Mostly Cloudy

S 14

97%

77°

1 PM

79°

84°

Mostly Cloudy

64%
RAIN
***

0% Thunder
( 38% severe)

SSW 14

97%

78°

4 PM

81°

89°

Mostly Cloudy

SW 9

91%

78°

7 PM

82°

91°

Mostly Cloudy

37%
RAIN
***

0% Thunder
( 35% severe)

SW 7

88%

78°

10 PM

80°

86°

Mostly Cloudy

S 7

91%

77°

Wednesday
17 JUN 2026

1 AM

80°

86°

Partly Cloudy

37%
RAIN
***

0% Thunder
( 37% severe)

SSW 9

91%

77°

Low 77°

4 AM

79°

83°

Mostly Cloudy

SW 9

91%

76°

High 94°

7 AM

78°

81°

Mostly Cloudy

22%
RAIN
***

0% Thunder
( 27% severe)

SSW 9

91%

75°

Partly Cloudy

Chance of Rain

10 AM

82°

90°

Partly Cloudy

SW 9

85%

77°

1 PM

89°

103°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 27% severe)

SSW 10

70%

78°

4 PM

91°

108°

Partly Cloudy

S 12

68%

79°

7 PM

87°

101°

Clear

2%

0% Thunder
( 6% severe)

SSE 13

77%

79°

10 PM

84°

95°

Partly Cloudy

SSE 14

82%

78°


BROWNSVILLE, TX extended weather forecast
Thursday 18 JUN 2026	Friday 19 JUN 2026	Saturday 20 JUN 2026	Sunday 21 JUN 2026	Monday 22 JUN 2026
Low 83°	Low 83°	Low 81°	Low 81°	Low 81°
High 98°	High 96°	High 94°	High 95°	High 92°

Partly Cloudy 13% Rain	Mostly Cloudy 21% Rain	Mostly Cloudy 29% Rain	Partly Cloudy 26% Rain	Partly Cloudy 26% Rain

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