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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
Likely
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: 88 °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 9 to 14 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers likely. Cloudy, with a high near 66. North northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

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 wind 6 to 8 mph becoming east 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 10 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 88. Southeast wind 6 to 10 mph.

Wednesday Night

Partly cloudy, with a low around 71. Southeast wind around 11 mph, with gusts as high as 21 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.