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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.
Partly Cloudy
95°F
35°C
| Humidity | 54% |
| Wind Speed | SE 12 G 20 mph |
| Barometer | 30.01 in (1016.2 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 108°F (42°C) |
| Last update | 8 Sep 10:52 am CDT |
Extended Forecast for
Harlingen, Rio Grande Valley International Airport TX
Heat Advisory September 8, 12:00pm until September 8, 06:00pm
Today

High: 101 °F
Slight Chance
T-stormsTonight

Low: 76 °F
Mostly Clear
Wednesday
High: 100 °F
Sunny then
Chance
T-stormsWednesday Night

Low: 76 °F
Mostly Clear
Thursday

High: 102 °F
Hot
Thursday Night

Low: 76 °F
Mostly Clear
Friday
High: 102 °F
Sunny then
Sunny and
BreezyFriday Night
Low: 77 °F
Mostly Clear
and Breezy
then Mostly
ClearSaturday

High: 102 °F
Hot and
Breezy
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 112. East southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 76. East southeast wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 111. Light east southeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 76. East southeast wind 5 to 14 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 102. Light south southeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 76. South southeast wind 10 to 17 mph, with gusts as high as 24 mph.
Friday
Sunny and hot, with a high near 102. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 77. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 29 mph.
Saturday
Sunny and hot, with a high near 102. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 78. Breezy, with a southeast wind 11 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 101. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 77. Breezy.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
26.24°N 97.65°W
26.24°N 97.65°W
11:18 am CDT Sep 8, 2026
11am CDT Sep 8, 2026-6pm CDT Sep 14, 2026



