MCALLEN, TX 78501 Weather Forecast & Current Conditions
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  78501 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

MCALLEN, TX
Current Weather
5:53 AM CDT MAY 18, 2026
Few Clouds
81°F
Feels Like: 87°F
Dewpoint: 75°F
Rel. Hum.: 82%
Visibility: 10 miles
Wind: SSE at 13 mph
Pressure: 29.79 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  78501 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

MCALLEN, TX 78501
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature around 80. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 30 percent.
MONDAY
Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Humid with highs in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 109 in the afternoon.
MONDAY NIGHT
Mostly cloudy. Humid with lows around 80. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 106 early in the evening.
TUESDAY
Partly sunny. Humid with highs in the mid 90s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 108.
TUESDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. Heat index values up to 105 early in the evening.
WEDNESDAY
Partly sunny. Highs in the lower 90s.
WEDNESDAY NIGHT
Mostly cloudy. Lows in the upper 70s.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the afternoon. Highs around 90. Chance of rain 50 percent.
THURSDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 70s. Chance of rain 70 percent.
FRIDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
FRIDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 50 percent.
SATURDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.
SATURDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 50 percent.

  78501 WEATHER SATELLITE LOOPS
Visible Weather Satellite
MCALLEN, TX 78501
Infrared Weather Satellite
MCALLEN, TX 78501
  78501 WEATHER RADAR LOOP
NEXRAD Weather Radar
MCALLEN, TX 78501
 MOS COMPUTER WEATHER FORECAST

MCALLEN, TX 3 hourly weather forecast
weather forecast created  8:00 PM EDT  5/17/2026
Monday
18 MAY 2026		 MCALLEN, TX 78501 weather forecast Day 1, 0 hours 1 AM 82° 90° Mostly Cloudy 18%
RAIN
.1–.25 in		 0% Thunder
( 14% severe)		 SSE   20 85% 77°
Low 80° MCALLEN, TX 78501 weather forecast Day 1, 3 hours 4 AM 81° 87° Mostly Cloudy SSE   18 82% 75°
High 97° MCALLEN, TX 78501 weather forecast Day 1, 6 hours 7 AM 81° 87° Mostly Cloudy 10%
RAIN
.1–.25 in		 0% Thunder
( 11% severe)		 SSE   18 82% 75°

Mostly Cloudy




Breezy		 MCALLEN, TX 78501 weather forecast Day 1, 9 hours 10 AM 86° 95° Mostly Cloudy SSE   20 70% 75°
MCALLEN, TX 78501 weather forecast Day 1, 12 hours 1 PM 93° 103° Mostly Cloudy 5%

 0% Thunder
( 18% severe)		 SSE   20 54% 74°
MCALLEN, TX 78501 weather forecast Day 1, 15 hours 4 PM 95° 107° Mostly Cloudy SE   18 53% 75°
MCALLEN, TX 78501 weather forecast Day 1, 18 hours 7 PM 91° 102° Partly Cloudy 14%
RAIN
.1–.25 in		 0% Thunder
( 27% severe)		 SE   21 60% 75°
MCALLEN, TX 78501 weather forecast Day 1, 21 hours 10 PM 84° 94° Mostly Cloudy SE   20 80% 77°
Tuesday
19 MAY 2026		 MCALLEN, TX 78501 weather forecast Day 2, 0 hours 1 AM 83° 93° Mostly Cloudy 21%
RAIN
.25–.5 in		 0% Thunder
( 13% severe)		 SE   18 85% 78°
Low 81° MCALLEN, TX 78501 weather forecast Day 2, 3 hours 4 AM 81° 87° Mostly Cloudy SE   16 85% 76°
High 97° MCALLEN, TX 78501 weather forecast Day 2, 6 hours 7 AM 81° 87° Mostly Cloudy 1%

 0% Thunder
( 13% severe)		 SE   15 85% 76°

Mostly Cloudy




Breezy		 MCALLEN, TX 78501 weather forecast Day 2, 9 hours 10 AM 86° 96° Mostly Cloudy SE   17 72% 76°
MCALLEN, TX 78501 weather forecast Day 2, 12 hours 1 PM 93° 103° Partly Cloudy 3%

 0% Thunder
( 18% severe)		 SE   18 54% 74°
MCALLEN, TX 78501 weather forecast Day 2, 15 hours 4 PM 95° 105° Partly Cloudy SE   18 49% 73°
MCALLEN, TX 78501 weather forecast Day 2, 18 hours 7 PM 91° 100° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 28% severe)		 SE   18 56% 73°
MCALLEN, TX 78501 weather forecast Day 2, 21 hours 10 PM 84° 94° Mostly Cloudy SE   16 80% 77°

MCALLEN, TX extended weather forecast
Wednesday
20 MAY 2026		 Thursday
21 MAY 2026		 Friday
22 MAY 2026		 Saturday
23 MAY 2026		 Sunday
24 MAY 2026
Low 78° Low 76° Low 75° Low 77° Low 71°
High 97° High 94° High 92° High 93° High 89°
MCALLEN, TX 78501 weather forecast Day 3 MCALLEN, TX 78501 weather forecast Day 4 MCALLEN, TX 78501 weather forecast Day 5 MCALLEN, TX 78501 weather forecast Day 6 MCALLEN, TX 78501 weather forecast Day 7
Mostly Cloudy
47% Rain		 Overcast
35% Rain		 Overcast
66% Rain		 Overcast
54% Rain		 Overcast
53% Rain
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