BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
4:53 PM CDT MAY 20, 2026
Scattered Clouds 91°F
Feels Like:	100°F
Dewpoint:	73°F
Rel. Hum.:	56%
Visibility:	10 miles
Wind:	SSE at 13 mph, gusts to 21
Pressure:	29.86 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 2025 Hurricanes	BROWNSVILLE, TX 78521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Partly sunny. Near steady temperature around 90. Southeast winds around 15 mph with gusts up to 25 mph.

TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 20 percent.

THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers. Humid with highs in the upper 80s. Southeast winds 10 to 15 mph. Chance of rain 50 percent.

THURSDAY NIGHT
Mostly cloudy. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph.

FRIDAY
Mostly sunny. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph.

FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers after midnight. Lows in the upper 70s. Chance of rain 50 percent.

SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 90s. Chance of rain 70 percent.

SATURDAY NIGHT
Showers likely with a chance of thunderstorms. Lows in the mid 70s. Chance of rain 70 percent.

SUNDAY
A chance of thunderstorms. Showers likely. Highs around 90. Chance of rain 70 percent.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.

MEMORIAL DAY
Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.

MONDAY NIGHT
Partly cloudy. Lows in the mid 70s.

TUESDAY
Mostly sunny. Highs around 90.

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 5/20/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
20 MAY 2026

1 PM

88°

97°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 14% severe)

ESE 17

63%

74°

High 90°

4 PM

89°

97°

Partly Cloudy

SE 16

59%

73°

Mostly Cloudy

7 PM

84°

92°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 6% severe)

SE 15

74%

75°

10 PM

81°

87°

Mostly Cloudy

E 12

85%

76°

Thursday
21 MAY 2026

1 AM

81°

88°

Mostly Cloudy

22%
RAIN
.5–1 in

0% Thunder
( 27% severe)

ESE 10

88%

77°

Low 79°

4 AM

81°

88°

Mostly Cloudy

SE 9

88%

77°

High 91°

7 AM

80°

85°

Mostly Cloudy

31%
RAIN
***

0% Thunder
( 33% severe)

SSE 6

88%

76°

Mostly Cloudy

Chance of Rain

10 AM

82°

89°

Mostly Cloudy

SSE 12

79%

75°

1 PM

85°

93°

Mostly Cloudy

28%
RAIN
.01–.1 in

0% Thunder
( 34% severe)

SSE 16

70%

74°

4 PM

86°

93°

Mostly Cloudy

SSE 16

65%

73°

7 PM

83°

90°

Mostly Cloudy

15%
RAIN
.01–.1 in

0% Thunder
( 14% severe)

SSE 14

77%

75°

10 PM

81°

87°

Mostly Cloudy

SE 10

82%

75°

Friday
22 MAY 2026

1 AM

80°

85°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 28% severe)

SE 8

85%

75°

Low 79°

4 AM

79°

83°

Mostly Cloudy

SSE 8

88%

75°

High 94°

7 AM

79°

83°

Mostly Cloudy

8%

0% Thunder
( 23% severe)

SSE 7

88%

75°

Partly Cloudy

10 AM

85°

93°

Partly Cloudy

SSE 12

72%

75°

1 PM

88°

97°

Partly Cloudy

7%

0% Thunder
( 23% severe)

SSE 17

63%

74°

4 PM

89°

98°

Partly Cloudy

SSE 18

61%

74°

7 PM

84°

93°

Partly Cloudy

SE 15

77%

76°


BROWNSVILLE, TX extended weather forecast
Saturday 23 MAY 2026	Sunday 24 MAY 2026	Monday 25 MAY 2026	Tuesday 26 MAY 2026	Wednesday 27 MAY 2026
Low 79°	Low 72°	Low 75°	Low 77°	Low 77°
High 92°	High 90°	High 92°	High 92°	High 92°

Overcast 38% Rain	Overcast 71% Rain	Partly Cloudy 34% Rain	Partly Cloudy 24% Rain	Overcast 38% Rain

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