Mcallen, TX Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Mcallen, TX.

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Current Conditions — Mcallen, TX

MCALLEN (KMFE)

Cloudy

78.8 F
Humidity:89%
Wind Speed:SE 10.4 mph
Barometer:29.75 in
Dewpoint:75.2 F
Visibility:8.00 mi
Precip:--
Heat Index:82.4 F
Wind Chill:NA
Apr 27 2026, 02:25 AM CDT
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5-Day Forecast — Mcallen, TX

Monday

High 96 °F
Mostly Cloudy
Monday
Night
Low 77 °F
Mostly Cloudy
Tuesday

High 98 °F
Partly Sunny
Tuesday
Night
Low 75 °F
Partly Cloudy
Wednesday

High 100 °F
Partly Sunny
Wednesday
Night
Low 75 °F
Mostly Cloudy
Thursday

High 95 °F
Mostly Cloudy
Thursday
Night
Low 75 °F
Mostly Cloudy
Friday

High 95 °F
Partly Sunny

Detailed Forecast — Mcallen, TX

Monday
Mostly Cloudy. High near 96°F. Wind 9 to 13 mph, with gusts as high as 24 mph.
Monday Night
Mostly Cloudy. Low around 77°F. Wind 10 to 13 mph, with gusts as high as 24 mph.
Tuesday
Partly Sunny. High near 98°F. Wind 12 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
Partly Cloudy. Low around 75°F. Wind 10 to 14 mph, with gusts as high as 28 mph.
Wednesday
Partly Sunny. High near 100°F. Wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly Cloudy. Low around 75°F. Wind around 8 mph, with gusts as high as 17 mph.
Thursday
Mostly Cloudy. High near 95°F. Wind 14 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Mostly Cloudy. Low around 75°F. Wind around 13 mph, with gusts as high as 24 mph.
Friday
Partly Sunny. High near 95°F. Wind around 14 mph, with gusts as high as 23 mph.
Friday Night
Chance of Thunderstorms. Low around 69°F. Wind around 9 mph, with gusts as high as 18 mph.
Saturday
Chance of Thunderstorms. High near 84°F. Wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly Cloudy. Low around 66°F. Wind around 6 mph, with gusts as high as 14 mph.
Sunday
Partly Sunny. High near 82°F. Wind around 9 mph, with gusts as high as 16 mph.
TX Radar
Current Radar • TX
Day 1 Outlook • April 27, 2026

Observation History — Mcallen, TX

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:25 AM CDT SE 10.4 8.00 Cloudy -- 78.8 75.2 89% NA 82.4 29.75 1007.5
02:20 AM CDT 10.4 8.00 Cloudy -- 78.8 75.2 89% NA 82.4 29.75 1007.5
02:15 AM CDT SE 12.7 8.00 Cloudy -- 78.8 75.2 89% NA 82.4 29.75 1007.5
02:10 AM CDT SE 10.4 G 16.1 8.00 Cloudy -- 78.8 75.2 89% NA 82.4 29.76 1007.8
02:05 AM CDT SE 10.4 8.00 Cloudy -- 78.8 75.2 89% NA 82.4 29.76 1007.8
02:00 AM CDT SE 10.4 8.00 Cloudy -- 78.8 75.2 89% NA 82.4 29.76 1007.8
01:50 AM CDT SE 11.5 8.00 Cloudy -- 78.8 75.2 89% NA 82.4 29.76 1007.8
01:45 AM CDT SE 12.7 8.00 Cloudy -- 78.8 75.2 89% NA 82.4 29.77 1008.1
01:35 AM CDT 10.4 G 16.1 8.00 Mostly Cloudy -- 78.8 75.2 89% NA 82.4 29.77 1008.1
01:30 AM CDT 12.7 8.00 Mostly Cloudy -- 78.8 75.2 89% NA 82.4 29.77 1008.1
01:20 AM CDT SE 10.4 8.00 Partly Cloudy -- 78.8 75.2 89% NA 82.4 29.77 1008.1
01:15 AM CDT SE 9.2 8.00 Mostly Clear -- 78.8 75.2 89% NA 82.4 29.77 1008.1
01:10 AM CDT SE 8.1 8.00 Clear -- 78.8 75.2 89% NA 82.4 29.78 1008.5
01:00 AM CDT SE 9.2 8.00 Clear -- 78.8 75.2 89% NA 82.4 29.78 1008.5
12:50 AM CDT SE 9.2 9.00 Clear -- 78.8 75.2 89% NA 82.4 29.78 1008.5
12:45 AM CDT SE 9.2 9.00 Clear -- 78.8 75.2 89% NA 82.4 29.78 1008.5
12:35 AM CDT SE 8.1 9.00 Clear -- 78.8 75.2 89% NA 82.4 29.78 1008.5
12:25 AM CDT SE 8.1 9.00 Mostly Clear -- 78.8 75.2 89% NA 82.4 29.79 1008.8
12:20 AM CDT SE 9.2 10.00 Mostly Clear -- 78.8 75.2 89% NA 82.4 29.79 1008.8
12:10 AM CDT SE 8.1 10.00 Mostly Cloudy -- 80.6 75.2 84% NA 86.2 29.78 1008.5
12:00 AM CDT SE 11.5 10.00 Cloudy -- 80.6 75.2 84% NA 86.2 29.78 1008.5
11:35 PM CDT SE 10.4 9.00 Mostly Cloudy -- 80.6 75.2 84% NA 86.2 29.77 1008.1
11:30 PM CDT SE 9.2 9.00 Mostly Cloudy -- 80.6 75.2 84% NA 86.2 29.77 1008.1
11:20 PM CDT SE 10.4 9.00 Mostly Cloudy -- 80.6 75.2 84% NA 86.2 29.77 1008.1

Regional Weather Observation

MCALLEN (KMFE)

Cloudy
78.8 F

EDINBURG INTL (KEBG)

Fog/Mist
77.0 F

WESLACO MIDVALLY (KTXW)

Mostly Cloudy
77.9 F

HARLINGEN (KHRL)

Cloudy
78.8 F

ZAPATA (KAPY)

Cloudy
78.4 F

FALFURRIAS (KBKS)

NULL
NULL F
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