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 PM CDT SEP 24, 2026
Few Clouds 97°F
Feels Like:	107°F
Dewpoint:	73°F
Rel. Hum.:	46%
Visibility:	10 miles
Wind:	ENE at 13 mph
Pressure:	29.99 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

78521 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	BROWNSVILLE, TX 78521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Partly sunny with a chance of showers and thunderstorms. Near steady temperature in the mid 90s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Heat index values up to 109.

TONIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight. Chance of rain 20 percent.

FRIDAY
Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 108.

FRIDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight.

SATURDAY
Sunny with highs in the mid 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 107.

SATURDAY NIGHT
Mostly clear. Lows in the upper 70s.

SUNDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.

SUNDAY NIGHT
Partly cloudy. Lows in the upper 70s.

MONDAY
Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s.

TUESDAY
Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 80. Heat index values up to 105 early.

WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 110.

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 AM CDT 9/24/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
24 SEP 2026

1 PM

93°

103°

Mostly Cloudy

37%
RAIN
.25–.5 in

0% Thunder
( 32% severe)

ENE 12

54%

74°

High 94°

4 PM

93°

105°

Mostly Cloudy

E 14

56%

75°

Mostly Cloudy

Chance of Rain

7 PM

88°

98°

Partly Cloudy

8%

0% Thunder
( 20% severe)

ENE 12

66%

75°

10 PM

85°

96°

Partly Cloudy

E 7

77%

77°

Friday
25 SEP 2026

1 AM

83°

92°

Partly Cloudy

19%
RAIN
.1–.25 in

0% Thunder
( 14% severe)

E 3

82%

77°

Low 81°

4 AM

82°

90°

Partly Cloudy

ENE 5

85%

77°

High 97°

7 AM

81°

88°

Partly Cloudy

33%
RAIN
1–2 in

0% Thunder
( 16% severe)

NE 5

88%

77°

Partly Cloudy

Chance of Rain

10 AM

88°

100°

Mostly Cloudy

ENE 8

70%

77°

1 PM

93°

105°

Partly Cloudy

23%
RAIN
.1–.25 in

0% Thunder
( 29% severe)

ENE 13

56%

75°

4 PM

92°

103°

Partly Cloudy

ENE 14

58%

75°

7 PM

87°

97°

Partly Cloudy

2%

0% Thunder
( 11% severe)

ENE 12

68%

75°

10 PM

84°

93°

Clear

E 7

77%

76°

Saturday
26 SEP 2026

1 AM

83°

91°

Partly Cloudy

6%

0% Thunder
( 12% severe)

E 5

80%

76°

Low 80°

4 AM

81°

87°

Partly Cloudy

E 2

85%

76°

High 98°

7 AM

80°

85°

Partly Cloudy

12%
RAIN
.01–.1 in

0% Thunder
( 13% severe)

E 3

88%

76°

Partly Cloudy

Chance of Rain

10 AM

88°

99°

Partly Cloudy

E 6

68%

76°

1 PM

93°

103°

Partly Cloudy

27%
RAIN
.25–.5 in

0% Thunder
( 26% severe)

E 10

54%

74°

4 PM

93°

105°

Partly Cloudy

E 12

56%

75°

7 PM

87°

97°

Partly Cloudy

E 10

68%

75°


BROWNSVILLE, TX extended weather forecast
Sunday 27 SEP 2026	Monday 28 SEP 2026	Tuesday 29 SEP 2026	Wednesday 30 SEP 2026	Thursday 1 OCT 2026
Low 78°	Low 78°	Low 79°	Low 81°	Low 75°
High 94°	High 96°	High 96°	High 94°	High 93°

Partly Cloudy 22% Rain	Partly Cloudy 21% Rain	Partly Cloudy 26% Rain	Mostly Cloudy 45% Rain	Partly Cloudy 23% Rain

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