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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.
Mostly Cloudy
96°F
36°C
| Humidity | 49% |
| Wind Speed | S 17 G 31 mph |
| Barometer | 30.00 in (1015.8 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 107°F (42°C) |
| Last update | 14 Sep 11:52 am CDT |
Extended Forecast for
4 Miles SSW Rangerville TX
Heat Advisory until September 14, 06:00pm
NOW until 6:00pm Mon

Heat Advisory
Today

High: 99 °F
Sunny
Tonight

Low: 79 °F
Mostly Clear
Tuesday

High: 101 °F
Hot
Tuesday Night

Low: 77 °F
Mostly Clear
Wednesday
High: 99 °F
Sunny then
Slight Chance
T-stormsWednesday Night
Low: 77 °F
Mostly Clear
then Slight
Chance
T-stormsThursday

High: 96 °F
Showers
LikelyThursday Night
Low: 77 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 99. Heat index values as high as 109. South southeast wind 14 to 17 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 79. Southeast wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 106. South southeast wind 9 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. Light east southeast wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. East wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light north northeast wind becoming east northeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 77. East northeast wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Light north northeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 75. East wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 99.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Rangerville TX
26.05°N 97.75°W
26.05°N 97.75°W
11:45 am CDT Sep 14, 2026
11am CDT Sep 14, 2026-6pm CDT Sep 20, 2026



