News Headlines
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- 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
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fog/Mist
80°F
27°C
| Humidity | 100% |
| Wind Speed | S 12 mph |
| Barometer | 29.60 in (1002.3 mb) |
| Dewpoint | 80°F (27°C) |
| Visibility | 5.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 18 Jun 4:52 am CDT |
Extended Forecast for
7 Miles NNW Port Mansfield TX
Extreme Heat Warning June 18, 11:00am until June 18, 08:00pm
Today
High: 97 °F
Sunny then
Sunny and
BreezyTonight

Low: 81 °F
Mostly Clear
Juneteenth
High: 94 °F
Partly Sunny
then Partly
Sunny and
BreezyFriday Night

Low: 81 °F
Increasing
CloudsSaturday
High: 90 °F
Mostly Cloudy
then Slight
Chance
T-stormsSaturday Night

Low: 80 °F
Mostly Cloudy
Sunday
High: 93 °F
Partly Sunny
then Mostly
Sunny and
BreezySunday Night
Low: 79 °F
Mostly Clear
and Breezy
then Partly
CloudyMonday
High: 92 °F
Mostly Sunny
then Sunny
and Breezy
Detailed Forecast
Today
Sunny, with a high near 97. Heat index values as high as 122. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 81. South southeast wind 11 to 16 mph, with gusts as high as 29 mph.
Juneteenth
Partly sunny, with a high near 94. Heat index values as high as 115. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 26 mph.
Friday Night
Increasing clouds, with a low around 81. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South southeast wind 10 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 80. South southeast wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 93. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 79. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 92. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 78. Southeast wind 9 to 17 mph, with gusts as high as 26 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southeast wind 8 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny, with a high near 90.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
7 Miles NNW Port Mansfield TX
26.63°N 97.5°W
26.63°N 97.5°W
5:26 am CDT Jun 18, 2026
5am CDT Jun 18, 2026-6pm CDT Jun 24, 2026



