MCALLEN, TX 78503 Weather Forecast & Current Conditions
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  78503 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

MCALLEN, TX
Current Weather
4:53 PM CDT MAY 20, 2026
Broken Clouds
91°F
Feels Like: 100°F
Dewpoint: 73°F
Rel. Hum.: 56%
Visibility: 10 miles
Wind: SE at 12 mph
Pressure: 29.85 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Regional Weather Maps

(Automated weather data from NWS/FAA)
  78503 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

MCALLEN, TX 78503
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Partly sunny. Near steady temperature in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 50 percent.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the upper 80s. East winds 5 to 10 mph, becoming southeast with gusts up to 20 mph in the afternoon. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 30 percent.
FRIDAY
Partly sunny. Highs in the lower 90s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
FRIDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 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 around 90. Chance of rain 70 percent.
SATURDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 70s. Chance of rain 70 percent.
SUNDAY
Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.
SUNDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 50 percent.
MEMORIAL DAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy. Lows in the lower 70s.
TUESDAY
Mostly sunny. Highs in the upper 80s.

  78503 WEATHER SATELLITE LOOPS
Visible Weather Satellite
MCALLEN, TX 78503
Infrared Weather Satellite
MCALLEN, TX 78503
  78503 WEATHER RADAR LOOP
NEXRAD Weather Radar
MCALLEN, TX 78503
 MOS COMPUTER WEATHER FORECAST

MCALLEN, TX 3 hourly weather forecast
weather forecast created  8:00 AM EDT  5/20/2026
Wednesday
20 MAY 2026		 MCALLEN, TX 78503 weather forecast Day 1, 12 hours 1 PM 89° 97° Mostly Cloudy 29%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 SE   16 59% 73°
High 93° MCALLEN, TX 78503 weather forecast Day 1, 15 hours 4 PM 92° 100° Mostly Cloudy ESE   16 52% 72°
Mostly Cloudy

Chance of Rain

 MCALLEN, TX 78503 weather forecast Day 1, 18 hours 7 PM 88° 94° Mostly Cloudy 20%
RAIN
<.01 in		 0% Thunder
( 14% severe)		 SE   17 57% 71°
MCALLEN, TX 78503 weather forecast Day 1, 21 hours 10 PM 82° 88° Mostly Cloudy ESE   14 77% 74°
Thursday
21 MAY 2026		 MCALLEN, TX 78503 weather forecast Day 2, 0 hours 1 AM 79° 83° Mostly Cloudy 49%
RAIN
***		 0% Thunder
( 40% severe)		 ESE   12 88% 75°
Low 77° MCALLEN, TX 78503 weather forecast Day 2, 3 hours 4 AM 79° 83° Mostly Cloudy SE   8 88% 75°
High 90° MCALLEN, TX 78503 weather forecast Day 2, 6 hours 7 AM 77° 78° Mostly Cloudy 34%
RAIN
***		 0% Thunder
( 33% severe)		 NE   6 90% 74°

Mostly Cloudy

Chance of Rain

 MCALLEN, TX 78503 weather forecast Day 2, 9 hours 10 AM 80° 85° Mostly Cloudy ENE   9 82% 74°
MCALLEN, TX 78503 weather forecast Day 2, 12 hours 1 PM 85° 92° Mostly Cloudy 35%
RAIN
***		 0% Thunder
( 46% severe)		 SSE   12 67% 73°
MCALLEN, TX 78503 weather forecast Day 2, 15 hours 4 PM 87° 95° Mostly Cloudy SE   12 65% 74°
MCALLEN, TX 78503 weather forecast Day 2, 18 hours 7 PM 84° 91° Mostly Cloudy 29%
RAIN
.5–1 in		 0% Thunder
( 24% severe)		 SSE   13 72% 74°
MCALLEN, TX 78503 weather forecast Day 2, 21 hours 10 PM 80° 85° Mostly Cloudy SE   10 82% 74°
Friday
22 MAY 2026		 MCALLEN, TX 78503 weather forecast Day 3, 0 hours 1 AM 78° 80° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 31% severe)		 SE   10 88% 74°
Low 77° MCALLEN, TX 78503 weather forecast Day 3, 3 hours 4 AM 77° 78° Mostly Cloudy SE   9 87% 73°
High 94° MCALLEN, TX 78503 weather forecast Day 3, 6 hours 7 AM 77° 78° Mostly Cloudy 13%
RAIN
.01–.1 in		 0% Thunder
( 21% severe)		 SE   7 87% 73°

Mostly Cloudy



 MCALLEN, TX 78503 weather forecast Day 3, 9 hours 10 AM 82° 88° Mostly Cloudy SSE   10 77% 74°
MCALLEN, TX 78503 weather forecast Day 3, 15 hours 1 PM 88° 96° Partly Cloudy 8%

 0% Thunder
( 25% severe)		 SSE   13 61% 73°
MCALLEN, TX 78503 weather forecast Day 3, 18 hours 4 PM 91° 102° Partly Cloudy SE   14 60% 75°
MCALLEN, TX 78503 weather forecast Day 3, 21 hours 7 PM 87° 97° Partly Cloudy     ESE   15 68% 75°

MCALLEN, 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 74° Low 75° Low 75°
High 95° High 91° High 95° High 94° High 92°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
44% Rain		 Overcast
67% Rain		 Partly Cloudy
31% Rain		 Partly Cloudy
22% Rain		 Overcast
37% Rain
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