BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
3:53 AM CDT SEP 9, 2026
Clear 82°F
Feels Like:	92°F
Dewpoint:	79°F
Rel. Hum.:	91%
Visibility:	10 miles
Wind:	SSE at 5 mph
Pressure:	30.02 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 2026 Hurricanes	BROWNSVILLE, TX 78521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly clear. Near steady temperature in the lower 80s. Southeast winds around 5 mph.

WEDNESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 90s. Southeast winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 112.

WEDNESDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. Heat index values up to 106 early in the evening.

THURSDAY
Sunny with highs in the upper 90s. Southeast winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 113.

THURSDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 108 early in the evening.

FRIDAY
Sunny, hot with highs around 100. Heat index values up to 110.

FRIDAY NIGHT
Mostly clear. Lows around 80. Heat index values up to 105 early in the evening.

SATURDAY
Sunny. Highs in the upper 90s. Heat index values up to 115.

SATURDAY NIGHT
Mostly clear. Lows around 80. Heat index values up to 110 early in the evening.

SUNDAY
Sunny. Highs in the upper 90s. Heat index values up to 115.

SUNDAY NIGHT
Mostly clear. Lows around 80. Heat index values up to 110 early in the evening.

MONDAY
Sunny. Highs in the upper 90s. Heat index values up to 115.

MONDAY NIGHT
Mostly clear. Lows around 80. Heat index values up to 110 early in the evening.

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 9/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
9 SEP 2026

1 AM

84°

94°

Partly Cloudy

3%

0% Thunder
( 17% severe)

SSE 5

80%

77°

Low 80°

4 AM

82°

90°

Partly Cloudy

SE 3

85%

77°

High 98°

7 AM

81°

88°

Clear

14%
RAIN
<.01 in

0% Thunder
( 17% severe)

ESE 1

88%

77°

Partly Cloudy

Chance of Rain

10 AM

88°

100°

Partly Cloudy

SE 5

70%

77°

1 PM

94°

106°

Partly Cloudy

29%
RAIN
.5–1 in

0% Thunder
( 34% severe)

SE 9

54%

75°

4 PM

93°

106°

Partly Cloudy

ESE 12

58%

76°

7 PM

87°

98°

Partly Cloudy

2%

0% Thunder
( 5% severe)

ESE 12

70%

76°

10 PM

84°

94°

Clear

ESE 7

80%

77°

Thursday
10 SEP 2026

1 AM

83°

92°

Clear

4%

0% Thunder
( 11% severe)

SSE 5

82%

77°

Low 80°

4 AM

81°

88°

Clear

S 5

88%

77°

High 99°

7 AM

80°

86°

Partly Cloudy

7%

0% Thunder
( 16% severe)

SSE 2

91%

77°

Partly Cloudy

Chance of Rain

10 AM

88°

100°

Clear

S 6

70%

77°

1 PM

95°

106°

Partly Cloudy

25%
RAIN
.25–.5 in

0% Thunder
( 29% severe)

SSE 9

51%

74°

4 PM

94°

106°

Partly Cloudy

SE 13

54%

75°

7 PM

88°

99°

Partly Cloudy

0%

0% Thunder
( 8% severe)

SE 13

68%

76°

10 PM

85°

96°

Partly Cloudy

SE 10

77%

77°


BROWNSVILLE, TX extended weather forecast
Friday 11 SEP 2026	Saturday 12 SEP 2026	Sunday 13 SEP 2026	Monday 14 SEP 2026	Tuesday 15 SEP 2026
Low 80°	Low 82°	Low 81°	Low 80°	Low 79°
High 98°	High 96°	High 95°	High 96°	High 94°

Partly Cloudy 20% Rain	Partly Cloudy 22% Rain	Partly Cloudy 26% Rain	Partly Cloudy 26% Rain	Partly Cloudy 26% Rain

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