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- New: Preliminary Damage Survey Of Harlingen To Laureles Texas Microburst Event On May 9, 2026
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- New: The 2026 Rio Grande Valley/Deep South Texas Hurricane Guide is Here!
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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
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
84°F
29°C
| Humidity | 67% |
| Wind Speed | SE 17 mph |
| Barometer | 29.79 in (1008.6 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 16 May 8:53 pm CDT |
Extended Forecast for
Rio Grande City TX
Tonight
Low: 78 °F
Mostly Cloudy
Sunday
High: 99 °F
Mostly Cloudy
Sunday Night
Low: 80 °F
Slight Chance
T-stormsMonday
High: 100 °F
Hot
Monday Night
Low: 80 °F
Slight Chance
T-stormsTuesday
High: 99 °F
Mostly Sunny
Tuesday Night
Low: 79 °F
Chance
T-stormsWednesday
High: 96 °F
Chance
T-stormsWednesday Night
Low: 77 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly cloudy, with a low around 78. Southeast wind around 11 mph, with gusts as high as 28 mph.
Sunday
Mostly cloudy, with a high near 99. Heat index values as high as 108. Southeast wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms, mainly between midnight and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 80. Southeast wind 11 to 14 mph, with gusts as high as 29 mph.
Monday
Mostly sunny and hot, with a high near 100. Heat index values as high as 112. South southeast wind 11 to 13 mph, with gusts as high as 28 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 80. Southeast wind 10 to 13 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 99. Southeast wind around 11 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 79. Southeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 77. East southeast wind 5 to 9 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 92. Light east southeast wind becoming south southeast 5 to 9 mph in the morning.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Rio Grande City TX
26.39°N 98.85°W
26.39°N 98.85°W
9:30 pm CDT May 16, 2026
9pm CDT May 16, 2026-6pm CDT May 23, 2026
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