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New: April-June 2026 Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues are in focus

Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Overcast

77°F

25°C

Humidity	82%
Wind Speed	SE 18 G 25 mph
Barometer	29.75 in (1007.2 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	18 Apr 4:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Sullivan City TX

Today
High: 92 °F
Mostly Cloudy
Tonight
Low: 61 °F
Chance
T-storms then
Showers
Sunday
High: 66 °F
Showers
Sunday Night
Low: 62 °F
Showers
Likely
Monday
High: 76 °F
Showers
Likely
Monday Night
Low: 66 °F
Chance
Showers
Tuesday
High: 85 °F
Chance
Showers
Tuesday Night
Low: 69 °F
Mostly Cloudy
Wednesday
High: 89 °F
Partly Sunny

Detailed Forecast

Today

Mostly cloudy, with a high near 92. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.

Tonight

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. East southeast wind 8 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers. High near 66. North northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

Sunday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Cloudy, with a low around 62. North wind 6 to 10 mph. Chance of precipitation is 70%.

Monday

Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 76. North northwest wind 6 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 60%.

Monday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. East northeast wind 5 to 8 mph. Chance of precipitation is 40%.

Tuesday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. Light east southeast wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 30%.

Tuesday Night

Mostly cloudy, with a low around 69. Southeast wind 6 to 10 mph.

Wednesday

Partly sunny, with a high near 89. Southeast wind 6 to 10 mph.

Wednesday Night

Partly cloudy, with a low around 71. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.

Thursday

Mostly sunny, with a high near 91. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.

Thursday Night

Partly cloudy, with a low around 73.

Friday

Mostly sunny, with a high near 94.