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- New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus
Hazardous Weather Conditions
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
77°F
25°C
| Humidity | 82% |
| Wind Speed | SE 9 mph |
| Barometer | 29.87 in (1011.1 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 21 May 11:53 pm CDT |
Extended Forecast for
Mc Allen TX
Flood Watch until May 25, 07:00am
NOW until 7:00am Mon
Flood Watch
Overnight
Low: 74 °F
Slight Chance
T-stormsFriday
High: 92 °F
Mostly Sunny
then Slight
Chance
T-stormsFriday Night
Low: 76 °F
Mostly Clear
then Chance
ShowersSaturday
High: 90 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 74 °F
Showers
LikelySunday
High: 90 °F
Slight Chance
T-storms then
Chance
ShowersSunday Night
Low: 73 °F
Chance
T-stormsMemorial Day
High: 89 °F
Mostly Sunny
then Slight
Chance
T-storms
Detailed Forecast
Overnight
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. Light and variable wind becoming south southeast around 5 mph.
Friday
A slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear during the evening, then mostly cloudy overnight, with a low around 76. Southeast wind 7 to 10 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. Southeast wind 5 to 8 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 74. East southeast wind 3 to 8 mph. Chance of precipitation is 60%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. East wind around 6 mph becoming calm in the evening.
Memorial Day
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 75. East wind 3 to 6 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light southeast wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Thursday
Mostly sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mc Allen TX
26.22°N 98.26°W
26.22°N 98.26°W
12:36 am CDT May 22, 2026
12am CDT May 22, 2026-6pm CDT May 28, 2026
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