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- New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus
Hazardous Weather Conditions
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Overcast
90°F
32°C
| Humidity | 63% |
| Wind Speed | S 20 mph |
| Barometer | 29.74 in (1006.8 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 7.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 6 May 12:52 pm CDT |
Extended Forecast for
Sebastian TX
Heat Advisory until May 6, 07:00pm
NOW until 7:00pm Wed
Heat Advisory
This Afternoon
High: 98 °F
Mostly Sunny
Tonight
Low: 77 °F
Mostly Clear
then Patchy
FogThursday
High: 82 °F
Slight Chance
T-storms then
Chance
ShowersThursday Night
Low: 75 °F
Chance
T-storms and
Patchy FogFriday
High: 90 °F
Chance
T-storms and
Patchy FogFriday Night
Low: 75 °F
Slight Chance
T-stormsSaturday
High: 90 °F
Slight Chance
T-stormsSaturday Night
Low: 74 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 98. Heat index values as high as 114. South wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 77. East wind 6 to 11 mph becoming light after midnight.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 82. Northeast wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after midnight. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 75. Northeast wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
A 40 percent chance of showers and thunderstorms. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 90. Northeast wind 5 to 11 mph becoming southeast in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 74. East southeast wind 5 to 8 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 94. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 73. East wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 88. North northeast wind 6 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 68.
Tuesday
Partly sunny, with a high near 88.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sebastian TX
26.35°N 97.8°W
26.35°N 97.8°W
1:00 pm CDT May 6, 2026
1pm CDT May 6, 2026-6pm CDT May 12, 2026
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