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Hazardous Weather Conditions
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair
101°F
38°C
| Humidity | 38% |
| Wind Speed | SE 13 G 23 mph |
| Barometer | 29.89 in (1012.2 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 110°F (43°C) |
| Last update | 2 Sep 1:52 pm CDT |
Extended Forecast for
Harlingen TX
Heat Advisory until September 2, 06:00pm
NOW until 6:00pm Wed

Heat Advisory
This Afternoon

High: 103 °F
Hot
Tonight

Low: 80 °F
Mostly Clear
Thursday

High: 102 °F
Hot
Thursday Night

Low: 80 °F
Mostly Clear
Friday

High: 102 °F
Hot
Friday Night

Low: 80 °F
Mostly Clear
Saturday

High: 101 °F
Hot
Saturday Night

Low: 79 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 103. Heat index values as high as 111. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 80. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny and hot, with a high near 102. Heat index values as high as 112. South southeast wind 7 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 80. Southeast wind 7 to 16 mph, with gusts as high as 28 mph.
Friday
Mostly sunny and hot, with a high near 102. South southeast wind 6 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 80. South southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny and hot, with a high near 101. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 79. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Light southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 79. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Labor Day
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 100. Light south southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 99.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
Harlingen TX
26.19°N 97.7°W
26.19°N 97.7°W
2:15 pm CDT Sep 2, 2026
2pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026



