MCALLEN, TX 78503 Weather Forecast & Current Conditions

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MCALLEN, TX
Current Weather

11:53 PM CDT SEP 6, 2026
Few Clouds
86°F
Feels Like: 97°F
Dewpoint: 77°F
Rel. Hum.: 75%
Visibility: 10 miles
Wind: SSE at 10 mph
Pressure: 29.90 inches
Last 72 hours

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MCALLEN, TX 78503
Weather Forecast

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THIS AFTERNOON
Mostly sunny with a slight chance of showers and thunderstorms. Hot. Near steady temperature in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 110.
TONIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening.
LABOR DAY
Sunny, hot with highs around 100. Southeast winds 10 to 15 mph. Heat index values up to 112.
MONDAY 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 107 early in the evening.
TUESDAY
Sunny, hot with highs around 100. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 112.
TUESDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs around 100. Chance of rain 40 percent. Heat index values up to 110.
WEDNESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 70s.
THURSDAY
Sunny, hot with highs around 100. Heat index values up to 110.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
FRIDAY
Sunny, hot with highs around 100. Heat index values up to 110.
FRIDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
SATURDAY
Sunny, hot with highs around 100. Heat index values up to 110.

Visible Weather Satellite
MCALLEN, TX 78503
Infrared Weather Satellite
MCALLEN, TX 78503
NEXRAD Weather Radar
MCALLEN, TX 78503

MCALLEN, TX 3 hourly weather forecast

weather forecast created  8:00 PM EDT  9/ 6/2026
Monday
7 SEP 2026
MCALLEN, TX 78503 weather forecast Day 1, 0 hours 1 AM 84° 94° Clear 0%

0% Thunder
( 0% severe)
SSE   10 80% 77°
Low 79° MCALLEN, TX 78503 weather forecast Day 1, 3 hours 4 AM 82° 91° Clear SSE   8 88% 78°
High 103° MCALLEN, TX 78503 weather forecast Day 1, 6 hours 7 AM 80° 86° Clear 1%

0% Thunder
( 5% severe)
SE   8 91% 77°

Clear



MCALLEN, TX 78503 weather forecast Day 1, 9 hours 10 AM 88° 100° Clear SSE   10 70% 77°
MCALLEN, TX 78503 weather forecast Day 1, 12 hours 1 PM 98° 107° Clear 16%
RAIN
.1–.25 in
0% Thunder
( 27% severe)
SE   10 43% 72°
MCALLEN, TX 78503 weather forecast Day 1, 15 hours 4 PM 100° 109° Partly Cloudy SE   14 40% 71°
MCALLEN, TX 78503 weather forecast Day 1, 18 hours 7 PM 94° 104° Partly Cloudy 2%

0% Thunder
( 4% severe)
SE   17 51% 73°
MCALLEN, TX 78503 weather forecast Day 1, 21 hours 10 PM 86° 95° Clear SE   14 70% 75°
Tuesday
8 SEP 2026
MCALLEN, TX 78503 weather forecast Day 2, 0 hours 1 AM 84° 94° Partly Cloudy 1%

0% Thunder
( 4% severe)
SSE   10 80% 77°
Low 81° MCALLEN, TX 78503 weather forecast Day 2, 3 hours 4 AM 82° 90° Clear SSE   9 85% 77°
High 103° MCALLEN, TX 78503 weather forecast Day 2, 6 hours 7 AM 81° 88° Clear 3%

0% Thunder
( 6% severe)
SE   8 88% 77°

Partly Cloudy



MCALLEN, TX 78503 weather forecast Day 2, 9 hours 10 AM 88° 100° Clear SE   10 70% 77°
MCALLEN, TX 78503 weather forecast Day 2, 12 hours 1 PM 98° 107° Partly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 33% severe)
SE   12 43% 72°
MCALLEN, TX 78503 weather forecast Day 2, 15 hours 4 PM 99° 109° Partly Cloudy SE   15 42% 72°
MCALLEN, TX 78503 weather forecast Day 2, 18 hours 7 PM 93° 102° Partly Cloudy 1%

0% Thunder
( 8% severe)
SE   17 52% 73°
MCALLEN, TX 78503 weather forecast Day 2, 21 hours 10 PM 86° 95° Clear SE   13 70% 75°

MCALLEN, TX extended weather forecast

BAD DAY
BAD DATE
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Low 81° Low 80° Low 79° Low 80° Low 79°
High 102° High 100° High 100° High 101° High 100°
MCALLEN, TX 78503 weather forecast Day 3 MCALLEN, TX 78503 weather forecast Day 4 MCALLEN, TX 78503 weather forecast Day 5 MCALLEN, TX 78503 weather forecast Day 6 MCALLEN, TX 78503 weather forecast Day 7
Partly Cloudy
20% Rain
Mostly Cloudy
36% Rain
Mostly Cloudy
26% Rain
Partly Cloudy
24% Rain
Partly Cloudy
21% Rain
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