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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

78°F

26°C

Humidity	79%
Wind Speed	S 13 G 24 mph
Barometer	29.79 in (1008.6 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	18 Apr 8:53 am CDT

More Information:

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

Extended Forecast for

Alton TX

Today
High: 91 °F
Mostly Cloudy
Tonight
Low: 63 °F
Chance
T-storms then
Showers
Sunday
High: 69 °F
Showers
Likely
Sunday Night
Low: 62 °F
Showers
Likely
Monday
High: 77 °F
Showers
Likely
Monday Night
Low: 66 °F
Chance
Showers
Tuesday
High: 84 °F
Chance
Showers
Tuesday Night
Low: 68 °F
Mostly Cloudy
Wednesday
High: 87 °F
Partly Sunny

Detailed Forecast

Today

Mostly cloudy, with a high near 91. Southeast wind 14 to 16 mph, with gusts as high as 25 mph.

Tonight

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. East wind 9 to 14 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

Sunday

Showers likely. Cloudy, with a high near 69. North wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. 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 77. North wind 7 to 9 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 southeast wind 5 to 10 mph. Chance of precipitation is 40%.

Tuesday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. Southeast wind 5 to 11 mph. Chance of precipitation is 30%.

Tuesday Night

Mostly cloudy, with a low around 68. Southeast wind 6 to 10 mph.

Wednesday

Partly sunny, with a high near 87. Southeast wind 6 to 11 mph.

Wednesday Night

Partly cloudy, with a low around 70. Southeast wind 10 to 13 mph, with gusts as high as 21 mph.

Thursday

Mostly sunny, with a high near 90. Southeast wind 10 to 16 mph, with gusts as high as 23 mph.

Thursday Night

Partly cloudy, with a low around 73.

Friday

Partly sunny, with a high near 92.