News Headlines
- New: Preliminary Damage Survey Of Harlingen To Laureles Texas Microburst Event On May 9, 2026
- We're Hiring! If You're a Budding Meteorologist Looking for a Fulfilling Career, Apply Today to Join Our Team
- New: The 2026 Rio Grande Valley/Deep South Texas Hurricane Guide is Here!
- Nuevo: Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas es Aqui!
- 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
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Partly Cloudy
81°F
27°C
| Humidity | 82% |
| Wind Speed | SE 18 G 26 mph |
| Barometer | 29.69 in (1005.3 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 8.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 17 May 5:53 am CDT |
Extended Forecast for
Sullivan City TX
Today
High: 97 °F
Mostly Cloudy
Tonight
Low: 79 °F
Mostly Cloudy
and Breezy
then Mostly
CloudyMonday
High: 98 °F
Mostly Sunny
Monday Night
Low: 79 °F
Slight Chance
T-stormsTuesday
High: 97 °F
Partly Sunny
Tuesday Night
Low: 78 °F
Chance
T-stormsWednesday
High: 94 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 76 °F
Chance
T-stormsThursday
High: 91 °F
Slight Chance
T-storms then
Showers
Likely
Detailed Forecast
Today
Mostly cloudy, with a high near 97. Heat index values as high as 108. Southeast wind 14 to 17 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, with a low around 79. Breezy, with a southeast wind 15 to 18 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 98. Heat index values as high as 111. Southeast wind 14 to 16 mph, with gusts as high as 28 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear during the early evening, then becoming cloudy, with a low around 79. Southeast wind 13 to 16 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 97. Southeast wind 11 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 78. East southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 76. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Southeast wind 6 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 74. East southeast wind 5 to 9 mph becoming light southeast after midnight. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sullivan City TX
26.29°N 98.57°W
26.29°N 98.57°W
5:45 am CDT May 17, 2026
5am CDT May 17, 2026-6pm CDT May 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
