News Headlines
- New: Spring 2026 RGV Weather and Climate Summary - Worst Drought Since 2013 is Quenched by April and May Rains
- New: Summer (June-August) Outlook - Wet Periods into June before Heat Rebuilds and Dryness/Drought Returns
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
- We're Hiring! If You're a Budding Meteorologist Looking for a Fulfilling Career, Apply Today to Join Our Team
Hazardous Weather Conditions
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
83°F
28°C
| Humidity | 79% |
| Wind Speed | Calm |
| Barometer | 29.73 in (1006.5 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 91°F (33°C) |
| Last update | 17 Jun 8:53 am CDT |
Extended Forecast for
San Juan TX
Heat Advisory June 17, 01:00pm until June 17, 08:00pm
Today
High: 96 °F
Sunny
Tonight
Low: 80 °F
Mostly Clear
Thursday
High: 100 °F
Hot
Thursday Night
Low: 82 °F
Mostly Clear
Juneteenth
High: 98 °F
Mostly Sunny
Friday Night
Low: 81 °F
Mostly Cloudy
Saturday
High: 95 °F
Partly Sunny
Saturday Night
Low: 81 °F
Mostly Clear
then Slight
Chance
ShowersSunday
High: 96 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 96. Heat index values as high as 111. South southwest wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 80. South southeast wind 9 to 11 mph, with gusts as high as 23 mph.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 123. South southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 82. Southeast wind 11 to 13 mph, with gusts as high as 25 mph.
Juneteenth
Mostly sunny, with a high near 98. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 81. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 95. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 81. Southeast wind 11 to 14 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 96. South southeast wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 80. South southeast wind 15 to 17 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 97. South southeast wind 15 to 17 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 80.
Tuesday
Mostly sunny, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Juan TX
26.18°N 98.16°W
26.18°N 98.16°W
9:18 am CDT Jun 17, 2026
9am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
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