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.

80°F

27°C

Humidity 82%
Wind Speed SW 3 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 Aug 12:53 am CDT
Extended Forecast for

Alton TX

  • Overnight

    Overnight: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 94 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 77. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 77 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 95. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 60%.

    High: 95 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 78. Southeast wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 97 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Light east southeast wind increasing to 5 to 10 mph in the morning.

    High: 96 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. Calm wind.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 77. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 95. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 78. Southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Light east southeast wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Light southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 77. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 98.
Friday Night
Mostly clear, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton TX
 26.29°N 98.29°W
Last Update:
1:00 am CDT Aug 24, 2025
Forecast Valid:
1am CDT Aug 24, 2025-6pm CDT Aug 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation