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.

79°F

26°C

Humidity 88%
Wind Speed Calm
Barometer 29.97 in (1014.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 Aug 1:53 am CDT
Extended Forecast for

Rio Grande City TX

  • Overnight

    Overnight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 96. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 96 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Partly cloudy, with a low around 76. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 97 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 3 to 6 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 and hot, with a high near 100. Southeast wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 100 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76. East southeast wind 5 to 9 mph becoming light southeast after midnight.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. East southeast wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 99 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Southeast wind 3 to 8 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. Calm wind.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 96. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Partly cloudy, with a low around 76. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 76. East southeast wind 5 to 9 mph becoming light southeast after midnight.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. East southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 3 to 8 mph.
Thursday
Sunny and hot, with a high near 100. Southeast wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 77. Southeast wind 5 to 8 mph.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Rio Grande City TX
 26.39°N 98.85°W
Last Update:
2:30 am CDT Aug 24, 2025
Forecast Valid:
2am CDT Aug 24, 2025-6pm CDT Aug 30, 2025
 
Forecast Discussion
 
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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