National Weather Service

News Headlines

New: 2025 In Review - Heat Dominates for a 3rd Year in Row; A March Historic Flood and Continued Water Issues Made Headlines
January-March 2026 Outlook - Drier and Warmer than Normal Conditions Expected To Continue; Drought, Wildfire Potential, Water Supply Issues and Cold Fronts Remain In Focus

Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Overcast

59°F

15°C

Humidity	33%
Wind Speed	N 16 mph
Barometer	30.15 in (1020.8 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Last update	17 Jan 6:53 am CST

More Information:

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

Extended Forecast for

San Juan TX

Today
High: 66 °F
Partly Sunny
then Chance
Showers
Tonight
Low: 40 °F
Decreasing
Clouds
Sunday
High: 65 °F
Sunny
Sunday Night
Low: 42 °F
Clear
M.L.King Day
High: 74 °F
Mostly Sunny
Monday Night
Low: 58 °F
Mostly Cloudy
Tuesday
High: 71 °F
Chance
Showers
Tuesday Night
Low: 60 °F
Chance
Showers
Wednesday
High: 78 °F
Slight Chance
Showers then
Mostly Sunny

Detailed Forecast

Today

A 30 percent chance of showers, mainly between noon and 4pm. Partly sunny, with a high near 66. North northeast wind 11 to 13 mph, with gusts as high as 22 mph.

Tonight

Mostly cloudy, then gradually becoming clear, with a low around 40. North wind 9 to 14 mph, with gusts as high as 26 mph.

Sunday

Sunny, with a high near 65. Wind chill values between 36 and 43 early. North wind 5 to 8 mph becoming light and variable in the afternoon.

Sunday Night

Clear, with a low around 42. Southeast wind 3 to 5 mph.

M.L.King Day

Mostly sunny, with a high near 74. Light east southeast wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Monday Night

Mostly cloudy, with a low around 58. East northeast wind 6 to 11 mph, with gusts as high as 20 mph.

Tuesday

A 30 percent chance of showers, mainly after noon. Cloudy, with a high near 71. East northeast wind 6 to 10 mph.