News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- New: August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- 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
Hazardous Weather Conditions
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
A Few Clouds
97°F
36°C
| Humidity | 46% |
| Wind Speed | E 17 G 25 mph |
| Barometer | 30.09 in (1018.8 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 107°F (42°C) |
| Last update | 16 Aug 12:52 pm CDT |
Extended Forecast for
2 Miles WNW Sebastian TXSimilar City Names
This Afternoon

High: 98 °F
Slight Chance
T-stormsTonight

Low: 76 °F
Mostly Clear
Monday
High: 98 °F
Sunny then
Slight Chance
T-stormsMonday Night

Low: 76 °F
Mostly Clear
Tuesday

High: 99 °F
Sunny
Tuesday Night

Low: 76 °F
Mostly Clear
Wednesday

High: 100 °F
Hot
Wednesday Night

Low: 77 °F
Mostly Clear
Thursday

High: 101 °F
Hot
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98. Heat index values as high as 109. East southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 76. East southeast wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 23 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98. Heat index values as high as 108. Light east wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 76. Southeast wind 8 to 13 mph becoming light south southeast. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 99. Light south southeast wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 76. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 100. Light south southeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny and hot, with a high near 101. South southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 77. Southeast wind 8 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny and hot, with a high near 101. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 101.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Sebastian TXSimilar City Names
26.35°N 97.83°W
26.35°N 97.83°W
1:30 pm CDT Aug 16, 2026
1pm CDT Aug 16, 2026-6pm CDT Aug 22, 2026



