National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Overcast

83°F

28°C

Humidity 79%
Wind Speed SE 17 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index91°F (33°C)
Last update 18 May 12:53 am CDT
Extended Forecast for

San Juan TX

  • Overnight

    Overnight: Widespread haze. Mostly cloudy, with a low around 79. Southeast wind around 11 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Haze

  • Sunday

    Sunday: Widespread haze before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 105. South southeast wind 11 to 17 mph, with gusts as high as 30 mph.

    High: 95 °F

    Haze then
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 79. Southeast wind around 15 mph, with gusts as high as 28 mph.

    Low: 79 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 98. Heat index values as high as 112. South southeast wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 98 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. Southeast wind around 15 mph, with gusts as high as 29 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South southeast wind around 10 mph, with gusts as high as 23 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79. Southeast wind 6 to 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. East wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East wind 5 to 10 mph becoming south after midnight.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Widespread haze. Mostly cloudy, with a low around 79. Southeast wind around 11 mph, with gusts as high as 23 mph.
Sunday
Widespread haze before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 105. South southeast wind 11 to 17 mph, with gusts as high as 30 mph.
Sunday Night
Increasing clouds, with a low around 79. Southeast wind around 15 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 98. Heat index values as high as 112. South southeast wind 14 to 17 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 79. Southeast wind around 15 mph, with gusts as high as 29 mph.
Tuesday
Sunny and hot, with a high near 102. South southeast wind around 10 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 79. Southeast wind 6 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. East wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East wind 5 to 10 mph becoming south after midnight.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 91. East wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 71. East southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan TX
 26.18°N 98.16°W
Last Update:
1:30 am CDT May 18, 2025
Forecast Valid:
1am CDT May 18, 2025-6pm CDT May 24, 2025
 
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Additional Resources

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Chance of Precipitation