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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
99°F
37°C
| Humidity | 41% |
| Wind Speed | SE 17 G 26 mph |
| Barometer | 29.92 in (1013.0 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 108°F (42°C) |
| Last update | 13 Sep 1:52 pm CDT |
Extended Forecast for
Port Mansfield TX
Heat Advisory until September 13, 07:00pm
NOW until 7:00pm Sun
Heat Advisory
This Afternoon
High: 90 °F
Sunny and
BreezyTonight
Low: 82 °F
Mostly Clear
Monday
High: 90 °F
Sunny then
Sunny and
BreezyMonday Night
Low: 82 °F
Mostly Clear
and Breezy
then Mostly
ClearTuesday
High: 90 °F
Sunny then
Sunny and
BreezyTuesday Night
Low: 81 °F
Mostly Clear
and Breezy
then Mostly
ClearWednesday
High: 89 °F
Sunny
Wednesday Night
Low: 80 °F
Mostly Clear
then Slight
Chance
T-storms
Detailed Forecast
This Afternoon
Sunny, with a high near 90. Heat index values as high as 109. Breezy, with a southeast wind around 20 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 82. Southeast wind 11 to 17 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 90. Heat index values as high as 109. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 82. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 90. Breezy, with a southeast wind 11 to 21 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 81. Breezy, with a southeast wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 89. East wind 5 to 13 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 80. East wind 8 to 13 mph becoming light after midnight.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Light east northeast wind increasing to 8 to 13 mph in the morning. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. East wind 5 to 11 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. East northeast wind 5 to 13 mph.
Friday Night
Mostly clear, with a low around 78.
Saturday
A 20 percent chance of showers. Sunny, with a high near 90.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Mansfield TX
26.56°N 97.43°W
26.56°N 97.43°W
2:45 pm CDT Sep 13, 2026
2pm CDT Sep 13, 2026-6pm CDT Sep 19, 2026
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